1. Research different antivirus software programs to determine which one best fits your needs.
2. Compare features, such as malware and virus detection, real-time protection, file scanning capabilities, and customer service.
3. Consider the cost of the program and whether a free version is available.
4. Download and install the software onto your computer, following all instructions carefully.
5. Enable the real-time protection feature to ensure that the program is running and protecting your system at all times.
6. Make sure to update the software regularly to keep up with any new threats.
7. Run a regular scan of your computer to check for any viruses or malware.