Do you use Immunet because it's light? If not, please consider another AV. Bitdefender free is a great AV, and AVG free should be good too. Thanks for sharing.
You're right! A good backup policy is foundamental in a correct security posture. Anyway, I consider this an exception as I do not have data to backup on this system. Linux is my main OS and where I keep all my data which is regularly backed up. I keep however a Windows partition for those times I need a bit of insight into Windows, I need to test a particular software or I want to fire up a game. That is the system I'm presenting here. Incidentally it has become my main system in these home work days but still I have no data on it. My mails are kept on the mail server and synced with my office computer; my documents are on cloud; my password manager's db is on cloud as well and my browsing preferites are saved in my Firefox account. Even my games are on my GOG account.I think Immunet w/ OSArmor is a great setup tbh, if your browsing is very logical and do the smart things properly.
However where this gets dragged by is the lack of Data Backup solution. One must have one regardless of what happens. Please take a look at your own choice of backup software solution.