https://community.graphisoft.com/t5/Licensing/INCORRECT-SERIAL-NUMBER/m-p/685122#M5277 <P>Not enough information to guess the issue.</P> <P>Is it that it stopped working? won't install?</P> <P>Remember that EDU licenses expire after a year and you need to reapply and that you it applies to the version you downloaded, for example a US Student license might not work with an INT license, an AC28 license number will not work with 29 but the &nbsp;29 will work with 28. If you downloaded the 30 day trial then no student license will work with it</P> Thu, 27 Nov 2025 14:59:33 GMT Eduardo Rolon 2025-11-27T14:59:33Z https://community.graphisoft.com/t5/Licensing/INCORRECT-SERIAL-NUMBER/m-p/685008#M5275 <P>I HAVE AN EDUCATION SERIAL NUMBER BUT IT KEEPS TELLING ME ITS INCORRECT</P><P>&nbsp;</P><P><FONT face="courier new,courier" color="grey">Operating system used: <EM>Windows </EM></FONT></P> Wed, 26 Nov 2025 22:27:16 GMT https://community.graphisoft.com/t5/Licensing/INCORRECT-SERIAL-NUMBER/m-p/685008#M5275 DON WILLIS 2025-11-26T22:27:16Z https://community.graphisoft.com/t5/Licensing/INCORRECT-SERIAL-NUMBER/m-p/685122#M5277 <P>Not enough information to guess the issue.</P> <P>Is it that it stopped working? won't install?</P> <P>Remember that EDU licenses expire after a year and you need to reapply and that you it applies to the version you downloaded, for example a US Student license might not work with an INT license, an AC28 license number will not work with 29 but the &nbsp;29 will work with 28. If you downloaded the 30 day trial then no student license will work with it</P> Thu, 27 Nov 2025 14:59:33 GMT https://community.graphisoft.com/t5/Licensing/INCORRECT-SERIAL-NUMBER/m-p/685122#M5277 Eduardo Rolon 2025-11-27T14:59:33Z