The following tables show the supported operating systems for releases of AutoCAD and AutoCAD LT:
AutoCAD 2015 and AutoCAD LT 2015
| OS | 32-bit | 64-bit |
| Windows® 8.1 | Windows 8.1, Windows 8.1 Pro, Windows 8.1 Enterprise |
Windows 8.1, Windows 8.1 Pro, Windows 8.1 Enterprise |
| Windows® 8 | Windows 8, Windows 8 Pro, Windows 8 Enterprise |
Windows 8, Windows 8 Pro, Windows 8 Enterprise |
| Windows® 7 | Windows 7 Enterprise, Windows 7 Ultimate, Windows 7 Professional, Windows 7 Home Premium |
Windows 7 Enterprise, Windows 7 Ultimate, Windows 7 Professional, Windows 7 Home Premium |
AutoCAD 2014 and AutoCAD LT 2014
| OS | 32-bit | 64-bit |
| Windows® 8 | Windows 8, Windows 8 Enterprise, Windows 8 Professional |
Windows 8, Windows 8 Enterprise, Windows 8 Professional |
| Windows® 7 | Windows 7 Enterprise, Windows 7 Ultimate, Windows 7 Professional, Windows 7 Home Premium |
Windows 7 Enterprise, Windows 7 Ultimate, Windows 7 Professional, Windows 7 Home Premium |
| Windows® XP | Windows XP Professional, Windows XP Home Edition (SP3 or later) |
Windows XP Professional x64 Edition (SP2 or later) |