Step 1: Download Avast Free Antivirus on your system and save it to your PC.
Step 2: Now, right-click on the downloaded setup file i.e. exe and select Run as administrator from context menu.
Step 3: In Avast Setup wizard, you can choose your preferred language in top right corner.
Read the EULA (End User License Agreement) and tap on Install in order to proceed with the default installation of Avast Free Antivirus program.
Then after, select Custom Installation to select the destination for software files and its components to install.
Enter file path to the location where you want to install the Avast Free Antivirus tool. Also, you can click on the Browse option and locate the installation folder onto your system. Use check-boxes to select or deselect the components that you want to install and then tap on Install
Now, Avast Setup wizard installs the software. Although, it may take few minutes to complete the process. However, when the setup procedure is completed, the progress bar disappears.
Avast Free Antivirus program is now installed on your PC. The Avast user interface is accessible through the Avast icon placed onto your system tray or the Avast icon appears on your Windows desktop.