Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Dear Antony Rex,
Good day!!
This community is geared more towards to Microsoft 365 Office apps install/redeem/activate queries.
Since your question is related to the installation error of Microsoft Dynamics 365 Project Operations, to make sure you get the dedicated assistance, I sincerely recommend you post your concern to the dedicated channel Microsoft365 Dynamic Community: Dynamics Community Forum Thread (click 'Post a question' from upper-right corner)
Members and engineers over there are proficient in the knowledge of this kind of queries. They will focus on the specific situation on your side and provide specific suggestions for you.
Thanks for your understanding and cooperation!
Sincerely,
Tina | Microsoft Community Moderator