Earlier quoted context omitted.
For Windows one of the best things you can do, AV or not, is to NOT make your daily driver account an administrator. Create an admin account with a secure password and then another standard user account for yourself and use that standard user for everything. When installing something you will need to put in your admin password but it is really not a big deal to do so. Massively reduces your chance of ransomware and a…
The last point is probably the more important one. Basically all data people care about is not protected by UAC.
UAC still pops up whether you use an admin account or not - it just requires the admin password when you use a standard account (which is, of course, still more secure). But the real advantage is that the account you are using does not have those admin privileges in the first place.
The other big advantage is that if this account is compromised in anyway (say if you used the same password to login to Chrome and Windows on your standard account) the hackers only get the password to your non privileged account. Of course this can be mitigated as well by really good password policy but I find for the average user they often re-use passwords and separating the two accounts forces them to often re-use the one that matters least.