1. At first you have to register and sign in at FileNext at: https://www.filenext.com/login.html
2. Then open "My Account " link: https://www.filenext.com/?op=my_account
3. Enter your Premium key in "Apply Premium Key" , and click Apply.
1. At first you have to register and sign in at FileNext at: https://www.filenext.com/login.html
2. Then open "My Account " link: https://www.filenext.com/?op=my_account
3. Enter your Premium key in "Apply Premium Key" , and click Apply.