Choose your version, such as , Premium Security , or Ultimate .
Connect your USB drive to the offline computer and copy the Avast setup file to your desktop or downloads folder. Run the Installer: Double-click the .exe file to begin. Choose Installation Type: Install: This uses the default recommended settings.
While the installation is offline, some features have specific requirements: Avast Offline Installation Files avast antivirus setup offline
Allows you to download the large setup file once and install it on several machines without wasting bandwidth. How to Download Avast Offline Installer
Click the download link for the offline/standalone version. This file will be significantly larger (often several hundred MBs) than the standard online installer. Choose your version, such as , Premium Security
Since you cannot download the file on an offline machine, you must use a computer with internet access to grab the setup file first. Visit the official Avast Installation Files page.
Need Help? Please call 855-745-3255. Click this file to start installing Avast. Choose Installation Type: Install: This uses the default
Prevents installation failures caused by unstable or slow internet.