If you cannot afford a commercial subscription, Autodesk provides legitimate, free avenues to use Revit 2023:
I can provide the exact steps to get your software running legally and smoothly. revit 2023 serial number and product key
If you are on a legacy perpetual license or specific educational plan that still utilizes this method, select "Enter a Serial Number." You can find your unique serial number in the Management tab of your Autodesk Account. Troubleshooting Activation If you cannot afford a commercial subscription, Autodesk
Unlike the product key (which is public knowledge), your serial number is confidential. Here is where legitimate users find it: Here is where legitimate users find it: Autodesk
Autodesk Revit 2023 the standard product key is . However, modern Autodesk licensing has largely moved away from manual serial numbers in favor of a "Named User" model, where you simply sign in with your Autodesk ID to activate the software. Autodesk Community, Autodesk Forums, Autodesk Forum How to Find Your Specific License Details
For those needing to install a specific version (e.g., Revit 2023.0.1 with a specific hotfix), Autodesk's Custom Install option within your account allows you to select the precise build for deployment.