Installing Avast Security on Mac

Before you begin the installation, ensure that all other programs and internet browsers are closed, and any previous antivirus software is uninstalled.

  • Apple macOS 10.13.x (High Sierra), Apple macOS 10.12.x (Sierra), Apple Mac OS X 10.11.x (El Capitan), Apple Mac OS X 10.10.x (Yosemite), Apple Mac OS X 10.9.x (Mavericks).
  • Intel based Mac computer with 64-bit processor.
  • 512 MB RAM or above (1 GB RAM or higher preferred).
  • 256 MB minimum hard disk free space.
  • Internet connection (to download and register the product, for automatic updates of the program and antivirus database).
  • Optimally standard screen resolution not less than 1024 x 768 pixels.

Install Avast Security

  1. Download the Avast Security for Mac setup file by clicking the button below and save it to a familiar location on your Mac. Download Avast Security for Mac
  2. Double-click the downloaded setup file avast_security_online.dmg and select Avast Security.
  3. Click Continue to determine if Avast Security can be installed.
  4. Click Continue.
  5. Click Continue to confirm that you have read Avast End User License Agreement.
  6. Click Agree to confirm that you accept the terms.
  7. You may be offered to install additional protection products. If so, select your preferred products and click Continue.
  8. Click Install. If you would like to make changes to the default setup click Change Install Location or Customize.
  9. Type your administrator User Name with Password and click Install Software.
  10. Click Close.
  11. Click Move to Trash to remove the installer.

For the activation instructions, refer to the following article:

  • Avast Security 13.x for Mac
  • Apple macOS 10.13.x (High Sierra)
  • Apple macOS 10.12.x (Sierra)
  • Apple Mac OS X 10.11.x (El Capitan)
  • Apple Mac OS X 10.10.x (Yosemite)
  • Apple Mac OS X 10.9.x (Mavericks)

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