https://community.graphisoft.com/t5/Installation-update/archicad-12/m-p/195030#M20842 <DIV class="actalk-migrated-content"><T>Greetings, will Archicad 12 run on a 64 bit windows vista operating system? Thanks.</T></DIV> Tue, 23 Feb 2010 16:59:47 GMT Anonymous 2010-02-23T16:59:47Z https://community.graphisoft.com/t5/Installation-update/archicad-12/m-p/195030#M20842 <DIV class="actalk-migrated-content"><T>Greetings, will Archicad 12 run on a 64 bit windows vista operating system? Thanks.</T></DIV> Tue, 23 Feb 2010 16:59:47 GMT https://community.graphisoft.com/t5/Installation-update/archicad-12/m-p/195030#M20842 Anonymous 2010-02-23T16:59:47Z https://community.graphisoft.com/t5/Installation-update/archicad-12/m-p/195031#M20843 Yes. It works fine for me anyway. I assume it is running in some sort of 32bit emulation or such. It might slow things down but I haven't noticed. Tue, 23 Feb 2010 17:11:41 GMT https://community.graphisoft.com/t5/Installation-update/archicad-12/m-p/195031#M20843 Anonymous 2010-02-23T17:11:41Z https://community.graphisoft.com/t5/Installation-update/archicad-12/m-p/195032#M20844 Thanks Matt, I could not find any specs on the Archicad website with definite proof of 64 bit compatability. I am upgrading by operating system and need to know for sure. Tue, 23 Feb 2010 17:25:29 GMT https://community.graphisoft.com/t5/Installation-update/archicad-12/m-p/195032#M20844 Anonymous 2010-02-23T17:25:29Z