Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
Try making the purchase on your phone, it worked for me. I tried every browser on PC, clear cache, cookies, restart, nothing worked.
On a whim, I tried using the safari browser on my iphone and it worked. Worth a try, good luck.
Had tried Firefox, Edge, added new payment method, etc. No luck. Using my phone (android) worked on the first try, thank you for the suggestion Jon!