1. Research reliable sources such as CNET and PCMag and read reviews of the various antivirus software programs available.
2. Evaluate features such as virus protection, malware detection, privacy protection, firewall security and customer service.
3. Choose an antivirus program based on your budget, computer’s operating system, and computing needs.
4. Download the program from the manufacturer’s website or install via a CD or USB.
5. Follow the on-screen instructions to complete the installation.
6. Activate the program with a valid license key.
7. Run the program and scan your computer for viruses, malware, Trojans, and other threats.
8. Make sure to update the antivirus as new threats emerge.