How to Get Free Antivirus Software Downloads

By Christopher Kennedy

Microsoft provides a virus protection tool called Security Essentials free of charge to users of the Windows operating system. Security Essentials protects against viruses, spyware and malware, allowing Windows users to no longer have to worry about paying for premium virus protection. Automatically staying up to date with the latest virus definitions, Security Essentials supplies real time protection against Internet threats.

Things You'll Need

  • Genuine/validated copy of Windows

Step 1

Open your web browser and navigate to Microsoft's Security Essentials website (link below).

Step 2

Click the "Download Now" button. Save the file in an easy to remember location, like your desktop. Run the program and install it, keeping the default actions intact.

Step 3

Double-click the new Security Essentials icon in your system tray. Click "Scan Now" to begin scanning for any current threats to your computer.

Step 4

Click the "Update" tab then the "Update" button to check for any new virus definition updates. After the initial check, you no longer need to update Security Essentials, as it will do so automatically and free of charge.