Here is the instruction to activate your Fastfile Premium Key
1. You will receive a Premium key / Premium code like this: 1220s5e5cbo381XXXXX
2. Login to your Fastfile account (You should register your own account, if you dont have it,https://fastfile.cc/?op=registration)
3. Go to My Account page (https://fastfile.cc/?op=my_account).
4. Look at Apply Premium Key field.
5. Put your premium key to that field.