Antivirus and Antispyware Software Installation

Microsoft Security Essentials is free antivirus software for your home PC.  It provides real-time protection from viruses, spyware, and other malicious software.


  • Windows XP - No longer supported
  • Windows Vista - No longer supported
  • Windows 7
  • Windows 8 - Not necessary. Use the built-in Windows Defender


  1. Go to Windows Update and install any available updates.
  2. Remove any existing antivirus or antispyware software.
    a) Open the Control Panel
    b) Open Programs and Features
    c) Remove security software from CA (EZ Antivirus), McAfee, Norton, AVG, etc.
    d) Reboot your PC
  3. Go to the Security Essentials website.
  4. Click the Download Now button and follow the on-screen instructions.