Auto shutdown, hibernate, restart & standby your computer.
Scan the whole computer to locate all empty folder & delete them.
Remove the software you don't use any more.
Backup all drivers in your system or just the needed ones.
Find and remove broken shortcuts to clean your desktop & Windows start menu.
Protect your files from unauthorized access.
Shred files to make them unrecoverable.
Monitor your keyboard while you are not around.
Share the network you have through your own WiFi.
Split large files for easy sharing.