If you are using your own computer to work from home, make sure you have good virus protection software installed. The product you select should con sider whether your device is for work or home use too.
In these difficult times, DO NOT avoid using virus protection because of money. There are many decent free to use products that provide the same protection checks as paid for versions, it’s just that they may offer less additional features.
Also you may want to consider virus protection for other home devices from cameras, smart watches and smart home devices such as Amazon Echo etc.
Take your time to research as once you decide it is likely to last you a year at least of pain free computing. Rather than look at each product individually, have a look at independent antivirus test scores from the following.
AV Test
virus bulletin
av-comparatives