1. You receive Premium key look like: 688md7hp6cdfiqkdh

2. You should be log in at http://www.rarefile.net/login.html

(Please register a new RareFile account, if you don't have an account)

3. Access "My Account" to activate your Premium key: http://www.rarefile.net/?op=my_account

4. Enter Premium key in field with description "Apply Premium Key" and click "Apply" button