Check your laptop’s operating system
Choose an antivirus program
Download it from the official website or app store
Open the downloaded installer
Run the installation file
Follow the on-screen setup steps
Accept the license agreement
Sign in or create an account if required
Choose your installation options
Wait for the installation to finish
Restart your laptop if prompted
Open the antivirus program
Update the virus definitions
Run a full system scan
Turn on real-time protection
Enable automatic updates
Schedule regular scans