In order for you to play Crossfire, First you need to create your Gameclub Account. Follow these simple steps:
1. Go to https://cf.ph.gameclub.com and click on "Register" on the Member Login tab.
2. Don't forget to read and agree with the Agreement of Policies.
3. After agreeing and clicking next fill up this form:
4. After clicking "Confirm" you will be redirected to the page that says "Registration Successful!" Now we just need to download the Client (Game) and install it.
NOTE: There is also a guide on how and where to download the game. Click on the "General" tab to know more information about it.