To change the language in ZWCAD, you typically need to install the specific language version of the software, as it does not currently support switching between UI languages via a simple internal setting like some other CAD programs.
Changing the interface language does automatically translate command names. For example, the LINE command in English becomes LINIE in German and LIGNE in French. zwcad change language
Some specific builds of ZWCAD allow for language switching directly through the command interface, though this is less common than the configuration file method. How to Change the Language in ZWCAD To
Here are common problems and their solutions: Select your desired language