Avast Cleanup Premium lets you improve PC performance and speed up your PC in several ways:

• Detect and remove junk files that take up space on your PC to make your hard drive more efficient.
• Put background processes to sleep so they don’t steal your PC’s resources from the apps you’re actually using. This can improve your PC’s speed.
• Defrag your hard drive to prevent crashes and freezing.
• Improve your PC’s boot speed so you can get started faster.
• Delete browser cookies and caches with the built-in browser cleaner.