https://forums.autodesk.com/t5/installation-licensing-forum/installing-autocad-updates/m-p/9028233#M43969 <P>I am updating autoCAD architecture from version 16 to 20 on some machines and from 19 to 20 on some.&nbsp; Is it necessary to uninstall the older versions before installing the new.&nbsp; Also, is there enough difference between 19 and 20 to make it worth while to install new.</P> Mon, 16 Sep 2019 19:14:00 GMT Anonymous 2019-09-16T19:14:00Z https://forums.autodesk.com/t5/installation-licensing-forum/installing-autocad-updates/m-p/9028233#M43969 <P>I am updating autoCAD architecture from version 16 to 20 on some machines and from 19 to 20 on some.&nbsp; Is it necessary to uninstall the older versions before installing the new.&nbsp; Also, is there enough difference between 19 and 20 to make it worth while to install new.</P> Mon, 16 Sep 2019 19:14:00 GMT https://forums.autodesk.com/t5/installation-licensing-forum/installing-autocad-updates/m-p/9028233#M43969 Anonymous 2019-09-16T19:14:00Z https://forums.autodesk.com/t5/installation-licensing-forum/installing-autocad-updates/m-p/9028457#M43970 No, you can keep the old version up an running if you wish until everyone is happy with the 2020 versions, then you can remove them.<BR /><BR />Everyone might as well be on the same version: 2020 looks different onscreen (appearance only) so you will end up with haves and have-nots issues to deal with.<BR /><BR /><BR /><BR /> Mon, 16 Sep 2019 21:09:08 GMT https://forums.autodesk.com/t5/installation-licensing-forum/installing-autocad-updates/m-p/9028457#M43970 pendean 2019-09-16T21:09:08Z https://forums.autodesk.com/t5/installation-licensing-forum/installing-autocad-updates/m-p/9030451#M43971 <P><STRONG>Thanks.</STRONG></P> Tue, 17 Sep 2019 16:06:07 GMT https://forums.autodesk.com/t5/installation-licensing-forum/installing-autocad-updates/m-p/9030451#M43971 Anonymous 2019-09-17T16:06:07Z