The Final Fantasy XIV Beta is now available for applications for the PC, according to sources. Here's what you have to do:

1. Visit the official website: http://na.finalfantasyxiv.com/
   
2. Click BETA entry, and your language
   
3. Register an account by clicking the link https://secure.square-enix.com/account/app/svc/regist?rgn=na&lng=en&retl=ffxiv&retu=http%3a%2f%2fentry.ffxiv.com%2fna%2findex.html
   
4. Fill out the form!
   

It's as simple as that. Good luck!