Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi Gillian,
Could you please try an InPrivate Window to buy? Please press CTRL+SHIFT+N and try to buy from there.
Also check:
I hope this information helps. If you have any more questions, don't hesitate to reach out.
Otherwise, please take a moment to rate the answer. Wishing you good luck!4