Login to your Token Generator account.
Go to the Investment page and sign in using Metamask:
From the Account section go to the Withdraw page.
Select the token you would like to withdraw and the amount; then click withdraw. You will get a prompt to confirm your withdrawal:
You will then get a Metamask pop up to sign for the withdrawal, click confirm:
Using your Metamask account you can send your tokens to any ERC20 compatible wallet you find suitable.