I would recommend Avast for virus protection. They have a free version for home use. www.avast.com Simply put in any email address and you're good for a year for free protection. Renew it every year the same way.
Been using free Avast for years with no issues.
Avast protected well for the little Windows is used now since moving to Linux which has bulletproof security.
While free Avast does the job, they do pester you more now than in the past to 'upgrade' to their paid versions which they claim has a few more bells and whistles. I just ignore this and stay with the free version.
Have never paid for any AV so far and have no intentions of beginning now.
Avast has served me well and now since M$ is used <1% for safe vanilla surfing, that causes me no worries.
OTOH with Linux I surf suspect sites and anywhere with impunity. Even been exploring the Darknet, Dark Net, Dark Web just to check it out, with no problems. Something I'd never do with Windoze.
Same here. Early reports rated M$ AV good, so gave it a try. Liked it. It ran lean, didn't use a lot of PC resources and scans were relatively quick. Then a month later negative reports began to emerge rating it not that good. Removed it and went back to free Avast.