<human>:  How to prevent a computer from getting viruses?
<bot>: To prevent a computer from getting viruses, first make sure the computer is running the latest version of its operating system. Then install and use antivirus software to scan for and detect any existing or incoming threats. Additionally, be sure to regularly clean any unnecessary data from the computer, and only download and install software or apps from verified and trusted sources. Lastly, use caution when visiting websites and avoid clicking on suspicious links or attachments.