The driver will work fine, but it won’t update to the latest one in the future without GE. (Windows update might update it, but they’re always several versions behind.)
This is definitely against their ToS, so I would advise against it. That said, do you have any friends or relatives who might be interested? That’s less likely to lead to any negative consequences.
Btw, your original username will always be tied to the account. There’s no way to change that.
There are certain video games that I feel like I’ve outgrown, but I will never outgrow video games as a whole. That’s like saying you’ll outgrow movies.