Head to https://www.faceit.com/en/signup and enter your email.
Pick your FACEIT username and fill out the requested information:
Then head to https://www.faceit.com/en/register-game/csgo to connect your Steam account and register CSGO.
Go to https://www.faceit.com/en/organizers/e67811d2-a188-463d-9b21-cd44a5250f85/Red%20Bull%20Flick and select your desired tournament (Country restrictions apply)
Press "JOIN TOURNAMENT" on the right.
Select the team you wish to play with.
Select the players for your team and choose a captain, then hit "CONFIRM".
Before entering a match you will be asked to turn on the FACEIT Anti - Cheat program. You can install it here at https://www.faceit.com/en/anti-cheat
If you have any problems you can check out our Anti - Cheat FAQ and help articles here
You are now registered to play, good luck!