Windows 16bit setup error - This app can't run on your PC. Windows 16bit Installing your AutoCAD R14 on Windows 7, Windows 8, Windows or Windows 10 32bit or 64bit can be very easily defined in these short steps. The problem you are facing is that release 14 uses a bit installer. defacto way to install R14 on Windows 7 and Windows 8 32bit or 64bit. A lot of people are upgrading to Windows 7 these days. When the installer recognizes your 64bit OS it uses the x64 path and says you can't. I want to install Autocad R14 so I can recover some important drawings When my work PC was upgraded from Win XP bit to Win 7 bit. Go to Microsoft's website for tips on how to install very old software in Win7, and you can also explore these folks who can sell you a fix if R14 is. I was quite happy with win 7, then along came Microsoft and installed win 10 on my r14 is a 32 bit application, is a 64 bit application. I previously failed to get it to work in a 64 bit version and gave up. I then bought a netbook with win 7 starter 32 bit and was able to get access. I have a new PC running Windows 7 64 bit. I am trying to install AutoCAD R14 but it will not allow me because of 32 bit vs 64 bit incompatibility.