It appears that #ChatGPT and Google #Bard give you free valid #Windows10 Pro keys. 

@governa Bard wrote this as a lullaby. "Let the keys wash over you and lull you to sleep" is my new mantra.

FWIW Every key I got was a generic key that will fail future activation tests.

@fidget haha nice! 🤭 I have no interest in them keys, just found it hilarious.