Here's how to install Avast BreachGuard on Mac
A few easy steps is all it takes.
1. Click the button below to open the Avast Account activation web page.
2. Type the activation code you received with the product into the text box, and click Continue.

4. Click the button below to start downloading the installation file.
5. Once the download is finished, open the avast-breachguard.dmg file (by default, downloaded files are saved to your Downloads folder).
6. Click the Avast BreachGuard icon and drag it to the
Applications folder, then follow the on-screen instructions to complete the installation process.
See detailed installation instructions
8. To open the application, double-click the
Avast BreachGuard icon in your Applications folder.

That's it!