System Uptime Full Plus screenshots

Allows you to see how much time has passed since you last restarted your PC

Alternative downloads

AVS System Info
rating

AVS System Info 1.1.1.49 will give you lots of information about your system.

NVIDIA System Utility
Free
rating

System Utility is the ultimate utility for accessing, your system components

System Monitor GT-7
Free
rating

Gadget that displays the usage of CPU and RAM by digital seven-segment font.