You should be prompted to log in with your Claris account on the page. If you do not have an account yet, you will need to create one.
After logging in, you should be prompted to enter your FileMaker 2023 license key. Enter the license key exactly as it was provided, and ensure that there are no spaces before or after the key.
After entering the key, you should be prompted to confirm your personal information. Make sure all information is correct.
Click on "Submit" or a similar button to complete the process. You should receive a confirmation that the license key has been successfully redeemed.
After redeeming the license key, you should be able to install and activate Claris FileMaker 2023.