, search for "Microsoft Office LTSC Professional Plus 2021 Preview," and select Deep Clean (Recommended) Microsoft Support and Recovery Assistant (SaRA) to ensure all registry entries and system files are wiped.
to ensure all registry keys and temporary license files are completely wiped Microsoft Learn Step 2: Install the Licensed Version , search for "Microsoft Office LTSC Professional Plus
(Note: Change OfficeClientEdition to 32 if you require 32-bit. Change Language ID to your specific language code if not US English). , search for "Microsoft Office LTSC Professional Plus