Akros Anti-cheat is now a requirement.

Found more about Akros Anti-Cheat here: https://akros.ac/
To download Akros Anti-Cheat, please click here: http://akros.ac/setup.exe

To use the Akros Anti-Cheat, follow the steps:
1. Download the file.
2. Click ‘Keep’ rather than 'Discard’ in your browser as it may auto block it.
3. Open File as Administrator.
4. Click ‘Run Anyway’ on Windows Defender.
5. Wait 10-20 seconds for it to appear on the bottom right of the screen.
6. Launch CSGO after this process (not before).