With more than 10,000 improvements, Advanced SystemCare Free v3 scans more, repairs more, cleans more, and optimizes more for your computer than ever before.

Advanced SystemCare Free (formerly Advanced WindowsCare Personal) has a one-click approach to helping protect, repair, clean, and optimize your PC. With over 20,000,000 downloads since 2006, this fantastic, award-winning, free program is a must-have tool for your computer, 100% safe and clean with no adware, spyware, or viruses.

# Enjoy That New PC Feeling Again: Designed for the latest Windows system environment. Gives your PC better speed and reliability.
# Powerful Hard Drive Defragmentation: High-speed Disk Defrag function to defragment hard drives up to 10 times faster than other defragmentation tools.
# Next-generation Registry Clean and Optimization: Safely cleans registry junk, compacts registry bloats and defragment the whole registry for maximum performance.
# Defends PC Security with Extra Protection: Detect and analyze Windows security environment. Scans and removes spyware and adware using up-to-date definition files. Prevents spyware, hackers and hijackers from installing malicious items on your computer. Erases and updates your PCÂ’s activity history.
# Quick and Extensive Clean-up for Hard Drives: Boosts your systemÂ’s performance by cleaning missing files, destroying unwanted files, deleting obsolete files, and removing junk files. Supports clean-up of over 50 different types of junk files.
# Speeds Up PC Performance and Internet Access: Tunes up Windows by unleashing the built-in power of your system. Dramatically improves both system and Internet performance up to 400%.
# Fixes Multiple System Errors: Does more than a registry cleaner, keeping your PC stable and running at peak efficiency. Repairs PC configurations by eliminating system bottlenecks and preventing crashes.
# Extremely Easy to Use: Completes its work with just one click. Scans, repairs and gives personal care to your PC in one minute.
# Safe and Free: 100% free with no spyware or adware! Advanced SystemCare Free is a safe and trusted solution from a leading software vendor.

What's New in Advanced SystemCare Personal 3.0.0 Final :
# Added new functions, features and tools
# Improved overall modules and functions
# Applied new interface
# Fixed mirror bug and language package

There is also a PRO Version available for $19.95 which adds many other features. There is a Comparison Chart Here