Antivirus for Windows 8, 7, XP

The main symptoms of viruses:
  • PC works very slowly:
    • A very low speed of internet;
    • A very low speed of booting Windows;
    • A very low speed of running programs;
    • A very low speed of opening files;
    • The computer restarts itself;
  • Free hard drive space decreases for no apparent reason.
The solution of problems:
  • Remove causes (viruses) - download, install antivirus software and scan PC (read below)
  • Remove a virus aftermath - clean up Windows using Windows 8 Windows 7 Windows XP tools
    and cleaning programs (easy) - begin.

PC master offers the following best free or trial decision:

  • Microsoft recommended the best antivirus programs for all OS:
  • We recommended - free solutions only:
    • New Free Microsoft Security Essentials
      Microsoft Security Essentials provides real-time protection for your home PC that guards against viruses, spyware, and other malicious software. Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and always kept up to date so you can be assured your PC is protected by the latest technology. It’s easy to tell if your PC is secure — when you’re green, you’re good. It’s that simple. Your PC must run genuine Windows to install Microsoft Security Essentials.
    • New Avira AntiVir Personal
      If you don't have virus protection, your PC will be infected with malware in a matter of minutes. Avira AntiVir Personal offers basic protection against viruses, worms, Trojans, rootkits, adware, and spyware that has been tried and tested over 100 million times worldwide.
    • New Avast Home Edition
      Avast Free Antivirus is based on multiple protective layers that work together to provide security. The product is designed for the average consumer who wants easy-to-use protection for basic email and web surfing. It is limited to home and non-commercial users. New features match top detection with increased efficiency. Computer memory requirements for the new antivirus and antispyware engine have been cut in half. Scanning is 40 percent faster, saving both time and computer resources. Complete rootkit protection includes real-time detection to ward off initial installation, on-demand scanning and boot-time scans.
    • New AVG Anti-Virus Free Edition
      AVG Anti-Virus Free Edition is trusted antivirus and antispyware protection for Windows available to download for free. AVG Anti-Virus Free has these following features: Award-winning antivirus and antispyware, Real-time safe internet surfing and searching, Quality proven by 80 million of users, Easy to download, install and use, Protection against viruses and spyware, Compatible with Windows 7, Windows Vista and Windows XP.