Thank you for purchasing Microsoft Office 2021 Professional Plus:

Key type:  ONLINE

Package download:

https://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/ProPlus2021Retail.img

Instructions for telephone activation  (Only in the case of excessive use of the key, eg in the case of reinstallation of the package):
1. Launch the application, eg word.
2. Select Telephone Activation.
3. Select region and go to this page: http://m.vivr.io/ZeCVGRT
4. Select 7 digits option, enter digits into the above page.
(You can take a picture or move the window while rewriting)
5. Enter "0" when asked for the number of activations.
6. Enter the received ID into the activation window and confirm.

Error "Unable to activate copy of Microsoft Office 2021 Professional Plus product because the number of activations has reached the limit specified for the product key ..." In case of this error, follow the instructions above.