Yes, technically. Office will show "Activated" and all features work. However, the activation is temporary (6 months). The script must re-run automatically or manually to re-activate.
“But I hate working in a browser,” Elena complained. how to activate microsoft office without product key work
You do not need to pay $149 for Office. Authorized resellers sell for Office 2021 Home & Student for as little as $30-$50. This is a one-time purchase, no subscription. Yes, technically
The methods that "work" without a key are either: how to activate microsoft office without product key work
Leo saved the most common solution for last. “Elena, did your laptop come with Office pre-installed?”