Note: This thread addresses matters related to activation only. Please create a new one if you run into another problem.
First of all, please do the following steps to clarify your issue:
Step 1. Run command prompt as administrator.
Note:
Please make sure that you run cmd(command prompt) with admin right as in the image below.

Step 2. Copy and run this command:
cscript "%ProgramFiles%\Microsoft Office\Office16\ospp.vbs" /dstatus
If you see error, try this command:
cscript "%ProgramFiles(x86)%\Microsoft Office\Office16\ospp.vbs" /dstatus
Please take a screenshot here.
You can upload the image through "Attach" button (next to Emoji button).