Instead of removing the watermark, there are better alternatives:
Users on community forums often discuss "better" ways to handle or bypass the watermark, though these are not officially supported: Removing Educational Watermark from Pro Drawing remove vectorworks educational watermark better
Removing the Vectorworks educational watermark can be a bit tricky, but it's not impossible. Before attempting any of the methods outlined above, make sure you understand the licensing terms and conditions. Upgrading to a commercial license is the most straightforward solution, but if that's not feasible, third-party plugins, manual removal, or using a PDF overlay may be viable alternatives. Instead of removing the watermark, there are better