70-485 Exam Guide: Advanced Windows Store App Development Using C#
Exam 70-485 was titled “Advanced Windows Store app development using C#” and focused on advanced Windows 8.1 application work with Visual Studio 2013. It served developers building Windows Store apps in C#, especially those working with background tasks, devices, media, printing, sensors, and WinMD components. This guide helps you decide whether the historical objectives match your goal, which skills to practise first, and what to verify before attempting to schedule the exam.
What did 70-485 validate?
70-485 validated implementation-level knowledge for advanced Windows Store applications rather than general C# programming alone. The documented objectives covered platform APIs and application behaviours that required developers to connect code, user interaction, device capabilities, background execution, media, and system integration into a working Windows 8.1 application.
The official title was “Advanced Windows Store app development using C#.” The documented change notice described Windows 8.1 and Visual Studio 2013 tasks, with changes stated as implemented on December 2, 2013. Those details matter when interpreting study material: current Windows development documentation is not automatically a substitute for the historical exam objectives.
The exam’s subject matter was broad but technically connected. A candidate needed to understand not only which API existed, but also how an application registered for a platform capability, responded to an event or trigger, transferred data, handled a reference type, or presented a user-facing operation such as printing or media playback.
Who was the likely candidate?
The strongest fit was a C# developer who had already built Windows Store applications and needed to extend them with platform features. A beginner learning C# from scratch would first need fundamentals that the advanced objectives appear to assume: asynchronous programming, event handling, application lifecycle concepts, XAML-based UI work, and ordinary Windows Runtime API usage.
The exam was also relevant to developers maintaining a Windows 8.1 Store application with requirements involving cameras, sensors, connected devices, background work, printing, or Play To. It was less suitable as a general measure of modern Windows desktop development, because Microsoft’s current documentation recommends Windows App SDK with WinUI 3 for new native Windows apps and describes UWP as being in maintenance mode.
What should a modern developer do with the old objectives?
Treat the 70-485 blueprint as historical evidence of the skills it measured, not as a current Windows development roadmap. If your goal is to build a new Windows application, compare the old objective areas with current Windows App SDK and WinUI 3 documentation before committing study time. If your goal is a legacy codebase, the older API names and behaviours may still be directly relevant.
Do not assume that a modern Windows App SDK tutorial prepares you for every 70-485 objective. Current documentation covers WinUI 3, application lifecycle APIs, windowing, deployment, and related tooling, while the 70-485 change notice names Windows Store app tasks from an earlier platform generation. Use each source for its proper purpose.
Which skills and domains were measured?
The available objective-change document identifies several domain areas, including developing Windows Store apps, discovering and interacting with devices, and programming user interaction. It also specifies concrete tasks for background execution, WinMD, cameras and microphones, sensors, device access, printing, and Play To. Build your study checklist from those behaviours rather than memorising isolated API names.
Develop Windows Store apps
The Develop Windows Store apps section increased from 17% to 18%. In the same domain, the exam measured implementation of Windows.ApplicationModel.Background classes and the IBackgroundTask interface. It also covered timing and system triggers, communication channels, lock-screen access, and BackgroundTransfer for background tasks.
The objective set further measured creating and consuming WinMD components in C#, including handling WinMD reference types. That points to an interop-oriented preparation task: learn how a C# application consumes Windows Runtime metadata and how reference types affect the shape and use of a component.
Prepare this domain by building a small application with one background task and one component boundary. Trace registration, trigger selection, execution, communication with the foreground application, and failure or cancellation handling. Then write down which part is supplied by the platform and which part your application must implement. This is more useful than reading a list of class names without executing the flow.
Discover and interact with devices
The Discover and interact with devices section was listed as 16% with no percentage change. Its objectives included camera and microphone access, media formats and capture events, revised photo capabilities, sensors, and a new device-access task covering USB, Bluetooth, Human Interface Device (HID), 3D printer, and Point of Service (PoS) devices.
The camera and microphone objectives included CameraCaptureUI, MediaCapture, camera settings, media formats, and capture events. The revised media objectives added sequence mode, thumbnails, and focus mode. A useful lab should therefore move beyond opening a camera: configure capture, select a format, respond to events, and inspect the resulting media workflow.
The revised sensor objectives added enabling geofencing. Study this as a permission, registration, event, and lifecycle problem rather than as a definition to memorise. For device access, separate the common discovery and connection pattern from the device-specific APIs for USB, Bluetooth, HID, 3D printers, and PoS devices.
Program user interaction
The Program user interaction section decreased from 17% to 16%. The named printing objectives included implementing the Print contract, custom print templates, print previews, pagination, in-app printing, and printer settings. The Play To objectives included app registration, streaming media with PlayToManager, and registering a PlayToReceiver.
Printing deserves deliberate practice because it combines application state, user interaction, document layout, and system integration. Create a sample document with more than one page, define a print template, implement pagination, and test how printer settings affect the output. Record the order of callbacks or operations you observe in the development environment.
For Play To, practise both sides of the interaction: registering an app for Play To and streaming media with PlayToManager, then registering a PlayToReceiver. The aim is to understand registration, discovery, media selection, and receiver behaviour as one scenario. Avoid treating Play To as merely another playback control.
How should you prepare without wasting time?
Start with a capability inventory, then learn each feature through a small implementation. Because the documented blueprint spans unrelated platform areas, passive reading creates false confidence. A better sequence is to identify the APIs you cannot explain, implement one representative workflow, test its events and lifecycle, and only then review terminology and scenario variations.
1. Establish the historical baseline
First, obtain the official 70-485 objective-change document and mark every named task. Keep “Windows 8.1” and “Visual Studio 2013” visible in your notes so that you do not silently replace historical requirements with current platform guidance.
Next, check Microsoft’s current credential and certification pages for an official listing or scheduling path. The supplied sources do not establish the exam’s current availability, retirement status, price, question count, duration, score, or supported languages, so do not use an unofficial catalogue entry as proof of any of those details.
2. Build the dependency-first foundation
Before the specialist labs, refresh C#, asynchronous operations, delegates and events, exception handling, serialization, XAML data binding, and application lifecycle concepts. These are enabling skills for the objective areas, even though the supplied change notice does not present them as separate percentage domains.
Then create a compact reference sheet for registration, capability declarations, permissions, asynchronous completion, event handlers, and cleanup. For every API family, answer five questions: how does the app obtain access, what object starts the operation, what event or completion path reports progress, what can fail, and how is the resource released?
3. Practise by scenario, not by API family
Use one scenario per study block. For example, a background upload can cover registration, a system trigger, communication, and BackgroundTransfer; a photo workflow can cover CameraCaptureUI, MediaCapture, formats, settings, capture events, thumbnails, and focus mode; a print workflow can cover preview, pagination, templates, and settings.
After each lab, remove the code and recreate the critical path from a short design note. This tests whether you understand the sequence rather than whether you can recognise a finished sample. Keep a fault log containing incorrect registrations, missing capabilities, invalid assumptions about event order, and differences between foreground and background execution.
4. Finish with mixed troubleshooting
In the final preparation stage, mix domains instead of studying them in isolated blocks. Ask yourself which API or contract fits a requirement, which lifecycle constraint changes the design, and which implementation detail belongs to the receiver, background task, device, or foreground app.
Use official documentation and practice assessments where available, but treat any practice item as a way to expose a gap rather than as a source of memorised answers. Exam dumps and leaked-question claims cannot establish competence or guarantee a passing result, and relying on them leaves the implementation decisions unpractised.
What practical roadmap can you follow?
A workable roadmap has four passes: map the objectives, implement the core platform flows, revisit the weak areas with targeted labs, and perform an administrative readiness check. Adjust the amount of time in each pass to your existing Windows Store and C# experience rather than assigning yourself an arbitrary calendar schedule.
Pass one: map and rank the gaps
Create a table with one row for each objective cluster: background tasks, WinMD, camera and microphone, advanced photo features, sensors and geofencing, device access, printing, and Play To. Rate each row by evidence: can explain, can implement, can troubleshoot. Begin with items rated only “can recognise.”
Give special attention to the two domains whose documented weights are explicit. Develop Windows Store apps was 18%, while Discover and interact with devices was 16%. Keep the domain names attached to those percentages in your notes; never turn them into bare percentage comparisons detached from their official labels.
Pass two: implement the high-risk flows
Build the background-task workflow first if you are unfamiliar with triggers, lock-screen access, communication channels, or BackgroundTransfer. Follow it with a WinMD component exercise, because creating and consuming a component tests the boundary between a C# app and Windows Runtime metadata.
Next, implement media and device scenarios. Test camera settings, media formats, capture events, sequence mode, thumbnails, and focus mode separately before combining them. For sensors and device access, document what happens when access is unavailable, a device is absent, or an operation is interrupted.
Pass three: integrate user-facing features
Complete a print sample and a Play To sample. For printing, verify the relationship between the Print contract, preview, pagination, custom templates, in-app printing, and printer settings. For Play To, verify app registration, PlayToManager streaming, and PlayToReceiver registration.
At the end of this pass, explain each feature to another developer using a requirement-first format: requirement, contract or API, registration, execution path, user-visible result, and recovery path. If your explanation skips registration, permissions, lifecycle, or cleanup, return to the lab.
Pass four: decide whether to schedule
Schedule only after you can implement the representative workflows without copying a sample line by line and can identify the correct objective area from a scenario. Separately confirm that the exam is currently listed and schedulable through Microsoft’s official certification pages; the supplied historical document alone cannot confirm present availability.
Before booking, resolve account, identity, accommodation, and delivery questions. If the official listing does not exist or does not expose a scheduling option, pause and investigate a current Microsoft credential that matches your goal instead of treating the old exam number as automatically active.
How do registration and delivery decisions work?
Microsoft’s general process begins from a certification overview or the Browse all certifications page, followed by the exam or certification detail page and its Schedule exam area. The available sources do not verify a current 70-485 appointment, so use this process only if the official page presently offers the exam.
Choose the correct provider
Microsoft says candidates taking a certification independently or through a training program should select “Schedule with Pearson VUE.” Students, members of an academic institution, or candidates taking a Microsoft Office Specialist exam should select “Schedule with Certiport.” The provider options shown for a particular exam control what can actually be booked.
When you click the schedule button, Microsoft may prompt you to sign in to or create a Learn Profile. Use a personal Microsoft account where appropriate, and ensure the legal name in the profile matches your legal identification. Resolve identity details before the appointment rather than waiting for the exam session.
Choose online or test-center delivery carefully
Microsoft states that, in most cases, candidates can choose an online exam or a local test center, but an online option is not available when the exam provider does not offer it. Online delivery requires a system pre-check and a testing area that meets security requirements; a test center avoids the need to prepare your own computer and room to those standards.
The registration page states that Pearson VUE provides online proctored exams and that Certiport does not offer online proctored exams at this time. Do not infer the available mode for 70-485 from a different Microsoft exam. Confirm the options displayed by the official provider for the specific listing.
Handle timing, changes, and accommodations
Microsoft’s registration guidance says certification exams can be scheduled no more than 90 days in advance and that, effective January 16, 2023, a maximum of two Microsoft Certification exams can be scheduled at a time through Pearson VUE. From the Learn Profile, candidates can reschedule or cancel an appointment, subject to the provider’s rules.
If you need exam accommodations, request them before scheduling so the provider has time to review the request and confirm that the environment can support them. This is an administrative preparation task, not something to leave until the final study session.
Which common mistakes should you avoid?
The largest preparation mistake is confusing recognition with implementation. Knowing that MediaCapture, PlayToManager, or IBackgroundTask exists does not show that you can choose the right registration, event, lifecycle, or error-handling sequence. Build and troubleshoot small workflows before attempting a readiness decision.
Studying current Windows development as if it were the blueprint
Current Microsoft documentation recommends WinUI 3 with Windows App SDK for new native Windows apps and says UWP is in maintenance mode. That guidance is important for a new project, but it does not rewrite the historical 70-485 objectives. Keep a separate notebook for historical exam terms and modern migration or replacement concepts.
If your professional goal is current Windows development, use the modern documentation to choose a current learning or credential path. If your goal is understanding a legacy Store app, use the historical objective document to identify the APIs that deserve focused investigation.
Memorising domain weights without domain labels
A percentage is useful only when it remains attached to its official domain. Write “Develop Windows Store apps — 18%” and “Discover and interact with devices — 16%,” rather than copying numbers into an unlabelled priority list. The documented figures describe the historical change notice, not a promise about a current exam form.
Also avoid assuming that a smaller labelled domain can be ignored. Device access, printing, and Play To may require fewer study sessions than a broader domain, but they can still expose a complete gap if you have never implemented them.
Booking before checking the official listing
The supplied sources establish how Microsoft normally directs candidates to a provider, but they do not establish that 70-485 is currently open for registration. Verify the exam name, current detail page, provider, delivery options, and any displayed policies before paying or setting a target date.
Do not rely on a page that supplies an exam number but no link to an official Microsoft listing. A historical exam can remain visible in third-party catalogues after its official lifecycle has changed.
Using dumps instead of building capability
Dumps and alleged leaked questions encourage answer matching while bypassing the design decisions these objectives represent. They also cannot reliably establish that content is current or authorised. Replace them with objective-based labs, official documentation, and scenario questions that require you to justify an API, registration, trigger, contract, or recovery path.
What should you do next?
Open the historical objective document and turn its named tasks into a checklist. Then decide whether you are pursuing legacy Windows Store knowledge or current Windows application development. Only after that distinction is clear should you choose study material and investigate scheduling through Microsoft’s official pages.
A practical next-action checklist
1. Confirm the purpose of your preparation: historical 70-485 coverage or a current Windows development credential. 2. Mark your confidence in background tasks, WinMD, media, sensors, device access, printing, and Play To. 3. Build one small lab for each weak cluster. 4. Record lifecycle, registration, permission, event, and cleanup behaviour. 5. Recheck the official Microsoft listing before scheduling.
If the exam is not listed through the official route, stop treating third-party catalogue information as confirmation of availability. Browse Microsoft’s current credentials and compare the available options with the role you want to perform. Microsoft describes its current credentials as including role-based Certifications and scenario-based Applied Skills, so a newer credential may be a more defensible target for a current project.
If you do find an official scheduling path, select the provider that matches your situation, check whether online or test-center delivery is actually offered, complete any accommodation request before booking, and ensure your Learn Profile identity is accurate. Keep the historical objective document beside your study plan so your preparation remains tied to the exam’s documented scope.
Conclusion
70-485 is best approached as a historical, implementation-focused Windows Store development exam: its objectives connect C# with background work, WinMD, media, sensors, devices, printing, and Play To. The sensible decision is not to assume that a catalogue entry proves current availability. First identify whether the legacy objectives serve your goal, then validate the official listing and delivery options, and prepare through small working scenarios rather than memorised answers.
