Ensure you are connected with the wallet holding the Stake NFT.
Click the "request full withdrawal button" on the right and execute the transaction.
It will take some time, normally up to a week, for the funds to go through the withdraw queue and be available on the execution layer.
Once the funds have moved to the "execution layer balance" on the left, click the sweep button. The transaction should deliver the ETH or GNO directly to your wallet.
Call the requestFullWithdrawal() function with the token id as an argument.
It will take some time, normally up to a week, for the funds to go through the withdraw queue and be available on the execution layer.
You can view the validator by getting validatorKeyOf() and consulting a beacon chain explorer. You can also check the execution layer balance directly using the executionLayerBalanceOf() function.
Once the funds have reached the execution layer, you can run pullExecutionLayerBalance(). The transaction should deliver the ETH or GNO directly to your wallet.