: If you need a powerful desktop suite without the cost, consider using LibreOffice or Apache OpenOffice , which are free, legal, and compatible with Microsoft file formats.
Are you trying to for a specific version of Windows or Office, or Activate Office for Windows - Microsoft Support : If you need a powerful desktop suite
: For Windows 10/11, you can often find your digital product key by running wmic path softwarelicensingservice get OA3xOriginalProductKey in an elevated Command Prompt. consider using LibreOffice or Apache OpenOffice
Microsoft provides official free alternatives for users who do not wish to pay for a full retail license: which are free
: Many students and teachers can get Microsoft 365 Education for free through their school’s email address.