1. Please login into your InterFiles account first: http://interfile.net/?op=login

( If you don't have an account, please register a new account )

2. Premium key / Premium coupon can be used here once you are logged in into your account:

http://interfile.net/?op=my_account

3. Paste your Premium key / Premium coupon in "Premium Coupon:" and click "Apply" to proceed.

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