If you have the paid version and you want to remove it so you can put on
the free version of Avast
and follow the instructions then reinstall FREE Avast Free.
Computer Cleaning Tools
Download starts immediately.
Ccleaner is the number-one tool for cleaning your Windows PC. It
protects your privacy online and makes your computer faster and more
secure. Easy to use and a small, fast download.
Use Defraggler to defrag your entire hard drive, or
individual files - unique in the industry.
operating system, if your Windows is not available this is a
free operating system and it is very similar to Mac OS
Of course there is Windows....Windows 7 is pretty good, Vista was terrible and
Windows 8 - well not crazy about it