Microsoft points candidates toward these official training resources for the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam:

• Microsoft Learning - Retired Certification Resources

Coursework builds knowledge, but practice builds confidence — the 115 practice questions from TestKingFree are the natural next step once the training material is behind you.

The 070-521 exam is an official Microsoft certification exam built around the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 syllabus detailed above. It counts toward these credential paths: MCPD Windows Developer 4, MCTS: .NET Framework 4, Windows Applications, MCTS: .NET Framework 4, Service Communication Applications, MCTS: .NET Framework 4, Data Access. Passing it demonstrates verified, job-relevant skills — one reason Microsoft credentials remain widely respected in 2026. TestKingFree helps you prepare with 115 practice questions available in PDF, Desktop Test Engine, and Online Test Engine formats.

According to the official outline, the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam is structured around 5 content domains. The leading three are Application Deployment and Maintenance, Data Access Development, and Windows Applications Development. The complete list appears in the topics section above, and TestKingFree's 115 practice questions span every domain in it.

Delivered through Microsoft testing centers and online proctored exam providers (historical delivery). Use these official channels to register for the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam:

• Microsoft Certification Exam Registration (Pearson VUE)

Once your date is booked, work backward from it with the TestKingFree practice questions — they arrive by email within 1 minute of purchase.

You need 700 (on a scale of 100-1000) to pass the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam, and registration costs USD 100 (Microsoft standard exam fee, regional pricing may vary). A failed attempt means paying that fee a second time, so test yourself with the TestKingFree engines first — the performance review shows whether you are actually ready to spend it.

Yes — under clear, written conditions. If you take the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam within 60 days of purchase and do not pass, TestKingFree issues a full refund. The policy excludes exams taken within 3 days of purchase, exams never actually taken, free materials, and expired orders, and the candidate name must match the payer name. Send a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam, and your claim is processed within 7 days. If you would rather keep preparing, you can instead exchange for two free exam products of equal value while your original product's update service continues. Delivery after purchase is by email within 1 minute; contact support if nothing arrives within 2 hours.

The Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam contains Approximately 40-60 with a time limit of 150 minutes. Budgeting that time is a skill in itself — the timed mock mode in the TestKingFree Desktop Test Engine lets you rehearse the pace until it feels routine.

Candidates should hold MCPD Windows Developer 3.5 or MCPD Enterprise Application Developer 3.5 skills/certification background. Eligibility rules can be updated, so double-check them on the official Microsoft exam page before you register.

Three things candidates mention most: coverage, flexibility, and service. You receive 115 practice questions for the Microsoft Upgrade: Transition Your MCPD Windows Developer 3.5, or Enterprise Application Developer 3.5, Skills to MCPD Windows Developer 4 exam in three formats — a printable expert-prepared PDF, a Windows Desktop Test Engine with two practice modes and offline use, and an Online Test Engine for any browser on Windows, Mac, Android, or iOS with test history and performance review. Install on unlimited computers, try the free demo first, get free updates for 365 days, and renew afterward at 50% off. Small touches matter too: hide the answers while you practice, reveal them when you check your work, and keep notes right where you study.