Do this:
1- Find and copy your username (go to profile>> transcript) e.g: useranmae-70086
2- Put the username at the end of this badges public link:
https://learn.microsoft.com/en-us/users/
e.g: https://learn.microsoft.com/en-us/users/useranmae-70086
Or simply just click on your name in this form and copy the link