There are several paid and freeware programs available for optimizing and securing your computer. Paid programs have certain advantages over freeware like simple to use, free from adware, etc.
WinUtilities is one of the best and all-in-one tweaking utility for Windows, which helps you to optimize and speed-up your system. It secures your PC by deleting unwanted files, internet tracks and other unneeded items.
The latest version (v.9.66) of WinUtilities included a disk cleaner, registry cleaner, history cleaner, startup cleaner, file splitter, file shredder, memory optimizer, file lock, registry backup and restore, uninstall manager, shortcuts fixer, memory optimizer and more.
Normally this tool costs around $49.99, but you can now download it for free from Softpedia. This is a time limited offer, so grab your copy as early as possible. (via)