- Step 1:Before downloading the software, make sure that you have a standard Internet connection on your computer.
- Step 2:Check whether you have disabled the built-in antivirus software --- Windows Defender.
- Step 3:Remove any previously installed antivirus software before downloading the Avira antivirus.
- Step 4:Close all the running programs and open the default browser.
- Step 5:Visit the official Avira site and click the ‘For Home’ tab available at the top of the screen.
- Step 6:Under the Security section, click the Antivirus icon and locate the Avira Antivirus installer file that supports Windows 8.1.
- Step 7:Click the Download for free button (for free subscription) to start downloading the software.
- Step 8:If you wish to download the pro pack, click the Discover Pro button and start downloading the software.
- Step 9:If you wish to download the Avira Antivirus for business purposes, click the ‘For Business’ tab on the Avira home screen.
- Step 10:Choose the antivirus file you wish to download and click the Download button.
- Step 11:Wait until the download is completed.
- Step 12:Later, open the downloaded file to begin the installation.
- Step 13:In the Avira main interface, click the Accept and Install button after reading the End User License Agreement.
- Step 14:If the User Account Control window pops-up, click the Yes button to allow the app to makes changes to your computer.
- Step 15:If prompted, type your email address in the required field.
- Step 16:Finish the installation with the help of the on-screen prompts.
- Step 17:Once installed, open the Avira Antivirus download for Windows 8.1 software and run a quick scan to check for any virus-infected files on your computer.