Plutonium

I3A you can try adding some interesting mods that community would like to see, or make it stock infected with SMGs and Shotgun rotations.

Fuck it, put a new system.
Media Creation Tool: https://www.microsoft.com/en-us/software-download/windows10
Or download an ISO from safe site
(you'll need minimum 8GB flash drive for either case).
Reset your passwords from a safe device. It can be, let's say, your older brother's computer.
Use 2FA for all of your accounts.
Google's authenticator: https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2&hl=en&gl=US&pli=1
Authy's authenticator: https://authy.com/
You can also download an antivirus, personally I recommend Kaspersky, but Avast can do the trick (even though I hate it for blocking false positives).
Kaspersky: https://www.kaspersky.com/
Avast: https://www.avast.com/en-eu/index#pc
I haven't had any problems with TLauncher, although I am aware of the videos regarding the launcher.
Let us know if you've resolved the issue.

hunter05sahli no.
BO3 is still supported, is still milked, and as Bubbles said, it already has a client in development which will require you to own the actual game.

No.
The length of your ban is how long you have to wait.
In the meantime, remove all mod menus, cheats, et cetera.

LumbagoLover Dick move by Activision. The games are basically unsupported (meaning it gets no patches and updates), yet they expect us to pay for them.

commits you have to wait it out. Making separate accounts will make your ban longer.