iolo - System Mechanic Pro, Computer Cleaner for Windows, Blocks Viruses and Spyware, Restores System Speed, Software License;

Main Features:
The ULTIMATE PC Performance Package
Automatic Updates - When you install and activate the software, it will let you download and update to the latest version on your computer.
Repairs over 30,000 different types of problems and errors; Boosts speed using 12 unique acceleration methods; Uses patented technology to keep your PC running like new
Unlimited PCs - Install this tune-up utility on all the PCs in your household.
Performance Booster - Improves your PC performance by defragging hard drive, repairing Window's registry, tweaking CPU and RMA usage, etc.
Powerful Tools - Fixes errors and crashes; Restores system speed; Clean up system cluster; Blocks virus and spyware; Boosts processor & RAM
Compatibility - Works with Windows 7, 8, 8.1 and Windows 10.

Added Features on PRO Version:
System Defense - Permanently wipes your private and sensitive data with military file deletion technology, so it can never be recovered.
System Shield - Blocks virus and malware; Monitor suspicious file behavior.
Anti-Spyware - Stops malicious actions and identity theft.
Recover Erased Files - Recovers accidentally deleted files even after the Recycle Bin is emptied.