You do not need to buy review material twice. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date, and we will process a full refund within seven days of verification. Exclusions: exams taken within three days of purchase, candidate names that do not match the payer, and free or expired products. If you would rather switch tracks, we will exchange your product for two others of equal value at no cost.

The Microsoft TS:Windows Internals blueprint centers on these domains:

• System Architecture Overview (20%)
• Security and Configuration (20%)
• System Mechanisms (20%)

Additional domains complete the official outline, and our bank covers every one.

Registration goes through the official channels below:

• Prometric (historical)

Pick a test center or online session that fits your calendar, and book early for the widest choice of dates.

By daily checking and automatic delivery. Our Microsoft experts check for updates every day, and whenever the 070-660 bank is revised, the system sends the latest version to you automatically — free for 365 days from purchase. The bank stays closely linked to the actual exam content, with expert-verified answers throughout. Choose among three formats: a printable PDF for easy notes, a Windows PC test engine that simulates the real exam environment, and an online engine that runs on any device and works offline after the first download. A free demo lets you experience all of it before buying.

Instantly. Upon successful payment, our system sends the product file to your mailbox automatically — typically within about a minute — alongside an immediate download link. If nothing arrives within two hours, check your spam folder and contact our 24/7 support team. Installations are unlimited, and updates are free for 365 days: each new version is delivered to you automatically, followed by a 50% renewal discount when the period ends.

Currently, the 070-660 exam's passing score is 700 (scale 1–1000) and the registration fee is Retired, historical price ~$125–$150 USD. These figures belong to Microsoft and can be revised, so confirm them on the official site before scheduling.

Microsoft states the following prerequisites for the Microsoft TS:Windows Internals: No formal prerequisites; recommended deep Windows OS knowledge.

For the authoritative details, see the official certification page.

Microsoft recommends these official training resources:

• Windows Internals Book (Mark Russinovich et al.)

Pair the course that fits your background with consistent question practice for the best results.

According to the latest exam information, the 070-660 exam contains 45–68 questions and lasts 120 minutes minutes. Simulating those conditions at home with the PC test engine is excellent preparation for the real environment.