From Nenad Hrg:
StressMyPC is stress testing software, to do a pc testing example computer stress test. It includes StressMyPC start or stop the stress-test, Paint-Stress simple stress for the graphics (GPU), Aggressive CPU-Stress Aggressiv stress for the CPU(s), and HD-Stress stress for the hard drive.
What's new in this version:
Version 2.41 tested verification and testing of Windows-8.