Change the system date and time on a per-application basis.
Cracklock protects you from the 30th-day virus by allowing you to change the system date and time on a per-application basis. It can also be used to test conformity against the ever-threatening Y10K bug.
service pack for Microsoft Windows XP
Check if your PC is able to run Windows 7.
Test the performance of CPU threads.
Run a multi-threaded benchmark CPU test or a single-thread test (or both simultaneously).
Test stability of overclocked PCs.
Test your CPU for bugs, errors, and defects.