Open McAfee
Go to Settings
Open General Settings and Alerts
Turn off informational alerts
Turn off promotional alerts
Turn off special offer notifications
Save changes
Open Windows Settings
Go to System
Open Notifications
Turn off McAfee notifications
Open Task Manager
Go to Startup apps
Disable McAfee startup items
Open your browser settings
Remove McAfee browser extensions
Reset browser notification permissions
Uninstall McAfee if you no longer want it
Restart your computer