It automatically puts it into a GIA (general investment account) - no need to create anything. You can simply toggle between the 2 accounts
You’d have to sell it and transfer the cash
It’s up to you, but personally I don’t have an issue with having two accounts (it’s still one account really). Also, I kind of like having my portfolio of free shares and see it grow. There’s some shares I never heard of and never would have bought, so it’s fun to track them and see how they are doing. It was free money after all!