Downloading the program is the initial step to installing simple antivirus software on your computer. Double-click on the downloaded program to begin the installation. The installer will walk you through the steps to install the program, which includes signing the terms and condition and establishing the location that the antivirus will be saved on your computer. Depending on the program you will be required to enter a code or create an online account.

Start the antivirus program to begin securing against malicious programs. The majority of programs will prompt you to sign-up and provide your personal information as part the activation process, however this is typically not required. Once you’ve registered, you’ll receive a confirmation email or text message that confirms that the antivirus program has been activated.

Depending on the anti-virus program you use, you could be asked to perform a complete system scan or to choose a specific file or folder to scan. During the scan, it will search for and remove any harmful files or folders. Certain software runs periodic or automated scans to identify any new infections and ensure that the computer is free of threats.

Macworld’s experts recommend Intego VirusBarrier if you are seeking a powerful macOS antivirus. It’s a comprehensive package that includes VirusBarrier as well as NetBarrier. These two programs are able to detect malware and rogue samples before they’re downloaded or launched on Mac. In our testing, VirusBarrier caught all the malware samples we emailed to it, and it also warns you if you’re downloading or running suspicious software.