https://community.graphisoft.com/t5/Modeling/work-in-ArchiCAD-19-and-21/m-p/290282#M149962 <DIV class="actalk-migrated-content"><T>Can I have both of the plugins ArchiCAD 19 version ArchiCAD 21 version installed at the same time (on same computer ofcourse).<BR /> For older projects I want to be sure to have the 19 version to be working exactly as it is working now.<BR /> But for newer projects I need to work in ArchiCAD 21.<BR /> <BR /> So now I have only the plugin 19 installed and I want to install 21 as well.<BR /> or do I need to uninstall 19 first.. and then swap back later when want ot work in ArchiCAD 19?</T></DIV> Fri, 11 May 2018 12:45:28 GMT Anonymous 2018-05-11T12:45:28Z https://community.graphisoft.com/t5/Modeling/work-in-ArchiCAD-19-and-21/m-p/290282#M149962 <DIV class="actalk-migrated-content"><T>Can I have both of the plugins ArchiCAD 19 version ArchiCAD 21 version installed at the same time (on same computer ofcourse).<BR /> For older projects I want to be sure to have the 19 version to be working exactly as it is working now.<BR /> But for newer projects I need to work in ArchiCAD 21.<BR /> <BR /> So now I have only the plugin 19 installed and I want to install 21 as well.<BR /> or do I need to uninstall 19 first.. and then swap back later when want ot work in ArchiCAD 19?</T></DIV> Fri, 11 May 2018 12:45:28 GMT https://community.graphisoft.com/t5/Modeling/work-in-ArchiCAD-19-and-21/m-p/290282#M149962 Anonymous 2018-05-11T12:45:28Z https://community.graphisoft.com/t5/Modeling/work-in-ArchiCAD-19-and-21/m-p/290283#M149963 Do you refer to a codemeter module with a "plugin"?<BR /> You can use both 19 and 21 with an updated 21 codemeter dongle.<BR /> <BR /> If you have installed 19, don't uninstall it, just install 21, update the dongle, and they both work, at the same time even. I believe this the preferred method. They actually say you should not install older ArchiCAD versions on top of the newer installations, but allways vice versa. Fri, 11 May 2018 13:54:58 GMT https://community.graphisoft.com/t5/Modeling/work-in-ArchiCAD-19-and-21/m-p/290283#M149963 mikas 2018-05-11T13:54:58Z