Open Settings
Go to Apps
Select Avast
Click Uninstall
Follow the on-screen prompts
Restart your computer
If Avast remains, use Avast Clear in Safe Mode
Download Avast Clear from Avast’s official...
Open Settings
Go to Apps
Select Installed apps or Apps & features
Find Avast in the list
Click Uninstall
Confirm the uninstall prompt
Follow the Avast uninstaller instructions
Restart your computer...
Open Avast
Go to Settings
Open General
Open Notifications
Turn off email notifications
Open Privacy settings
Disable marketing emails
Open your Avast account
Unsubscribe from promotional emails
Check your email inbox for Avast...