So, to install the wallet, go to the Ultima Cashback website and log in through Platin Passport. The main page of your account will open. You will see a warning on the right side of the screen, indicating that this wallet is currently unassigned:

Start the wallet installation by ticking a box that confirms the wallet's purpose. Once you've ticked the box, there will be a window in which you need to enter the address of the wallet where you want the cashback:

After you insert the wallet address, click the Confirm button. To complete this action, you need to confirm it using two-factor authentication:

All done! You have installed a wallet to receive cashback. Now you will automatically receive cashback to the designated wallet for all purchases within the Ultima Cashback programs!