Note: You do not need to uninstall the trial version in order to upgrade to the registered version.

1. Buy a subscription. Once subscribed, you will receive a Customer Number.
2. View your Subscription Key. Use your Customer Number to login your online customer account at http://subscription.f-prot.com/cgi-bin/customerzone.

If you need detailed instructions, see Obtaining the Subscription Key in the Customer Zone.

3. Enter your Subscription Key in the program.

If you need detailed instructions, see How to enter a subscription key in the program

For detailed instructions on upgrading from the version 3 to version 6 of the F-PROT Antivirus for Windows, see Upgrading from version 3 of F-PROT Antivirus for Windows to version 6 of F-PROT Antivirus for Windows.

See also:

• Purchasing a subscription
• What is a subscription and how long does it last?
• On how many computers can I install my software?
• Pricing information
• Discount information