A Simple Cleaning guide that has worked for me in Cold War
Im not saying this is the best method, but it works.
1 - Access the BIOS, and restore the factory settings.
2 - Insert the formatting media, and format the PC
3 - You need to format ALL the HD or SSD you have on your PC.
4 - Install all drives, and updates for your PC
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5 - Open the CMD, type the command: vol c1: (Remove number 1 from the command)
6 - Write down the serial number
7 - Download this program:

8 - Run as administrator
9 - You will need to change the serial number of all the disks on your PC, individually.
10 - Manually change the serial, in this order: Number, Letter, Number, Letter - Number, Number, Number, Number
11 - Open the CMD, type the command: vol c1: (Remove number 1 from the command)
12 - Check if the Serial is different from what you wrote down earlier.
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12 - Download this program:

13 - Run as administrator
14 - Press the button 5 times: Random MAC Address
15 - Press: Change Now!
16 - Restart the PC
17 - Change the PC NAME (This is different from the username) >>PC NAME <<
18 - Restart the PC
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19 - Initialize > execute > REGEDIT
20 - Follow the path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography
21 - Make sure the MachineGuid option number is not between { }. If it is, delete those symbols { }
22 - Save, and restart your PC
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23 - CREATE A NEW ACCOUNT, DOWNLOAD AND PLAY THE GAME WHILE USING A VPN !!!
DON'T FORGET THE VPN