- Yes, you can.
Licenses have downgrade right.
Buy keys are not backward compatible. You need to get the correct key for the actual product you are installing.
If you need a definite answer you'd better contact your reseller or a trained Microsoft licensing specialist regarding your licensing questions.
Hope above information can help you.
If the Answer is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.