I suggest installing an antivirus to checkout.
Imo this is risky advice. Some popular antiviruses are full of bloatware, while some free ones (Kaspersky) could be coming with their own security risks. If you just install antivirus, it's easy to screw up and wind up worse off than before.
I'd rather suggest reading through https://decentsecurity.com/
which has some practical guides to online security. To quote it:
You've been sold a lie. You cannot just buy "security." It is something obtained through simple choices and knowledge.
Your antivirus saying something isn't a virus doesn't mean anything at all. Antivirus is like the airbag inflating on your car. If it triggers, something very wrong has already happened.
P.S. your password should contain special characters like !&#, else it is really easy to hack.
This isn't true. Most conventional password advice is junk. https://xkcd.com/936/
If you go the "put in numbers, letter, special characters" route, you could end up with a lot of unwieldy passwords or slip into the habit of reusing passwords... which is bad, because then one breach could compromise half your accounts.
Just come up with something that's easy for you to remember (but not consisting of public details about you, don't put obvious things in it like your birthday!) that would take time for a machine to guess. Or just use a password manager.
Edited 2/2/2021 00:00:16