How to Install Free Antivirus Software

by Andrew Smith

Antivirus software is something that should be on every computer that accesses the Internet on a daily basis. Without this type of protection, your computer could be susceptible to infections that could slow your computer down, keep you from browsing the Internet or even loading programs. Antivirus programs purchased in stores could cost you up to $100 or more depending on the software you purchase. Fortunately, there are numerous different free antivirus software programs that can be easily downloaded and installed.

Go to the CNET homepage (see Resources).

Click "Security Software" on the left side of the page. A new page will open.

Select "Antivirus Software" on the let side of this page. You will then be taken to CNET's antivirus software page.

Choose the "Free" option under "License Type"

Click the "Sort By" drop box in the green bar at the top of the page. Select one of the options listed, such as "Editors' Rating" or "Downloads Last Week." This option will determine how the programs are listed.

Select one of the links to get to the download page for that antivirus program.

Click the "Download Now" link that is located at the top of the Web page for that particular antivirus program. Once you do, a box will open. Choose a folder on your computer (such as the desktop) where the setup for that the antivirus program will be saved. Click "Save" and the installation for that antivirus program will be downloaded.

Open the installation program. Follow the instructions that appear on the computer screen and the free antivirus software will be fully installed on your computer.


  • check CNET offers user and editorial reviews for most of the security software listed on the website. Read over this information as a way to ensure that you install the right free antivirus software for your needs.

About the Author

Andrew Smith has been a freelance writer since 2006, specializing in sports and technology. His work has appeared on various online sites. Smith has a Bachelor of Arts in political science from Pennsylvania State University.

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