I see many questions revolving around “free” antivirus software.
You need to first understand that:
“Free” software is cut-down software. It lacks many important security features the paid version includes. It’s probably wonky from the missing parts.
Nothing is free. Don’t whine about the popup ads or privacy invasion when you use a “free” antivirus.
Be grateful. If you like the software, buy it.
You’re better off using Windows 10 Defender than installing any “free” antivirus. Its very good but it doesn’t protect Chrome or Firefox
If you have questions about “free” software, be aware that most pros use paid AV software and or a mixed variety, which is going to be different.
Nobody wants to spend more money than they have to. I get that. No harm in looking for coupons or deals.
I wish antivirus companies would stop giving out “free” antivirus. It’s causing misconceptions about it’s use.