To protect a computer, it is a good idea to install and frequently run a checklist. a web browser. an internet cache. anti-virus software.

Its a good idea to run anti-virus software on a computer to protect you and the computer itself. this prevents malware, viruses, identity theft, personal information, documents, etc. 

-hope this helps

To protect a computer, it is a good idea to install and frequently run anti-virus software to protect your computer from viruses that steal your data and personal info, not A) because a checklist doesn't protect nothing, not B) because web browsers are like google chrome and Mozilla but some browsers protect u from viruses like my favorite is cheetah mobile, that app is a browser that protects but back to topic no not B) or C) but rather its D) or the fourth option. ✅