ANSYS 12.1 Standalone Architecture and Operation System Support
| Platform | Supported Architecture(s) | Supported Operating System(s) |
| Windows 32 on x86 | Intel or AMD 32-bit chip sets | Microsoft Windows Vista Enterprise 32-bit Microsoft Windows Vista Business 32-bit Microsoft Windows XP Pro 32-bit |
| Windows 64 on x64 | Intel or AMD 64-bit chip sets | Microsoft Windows Vista Enterprise x64 Microsoft Windows Vista Business x64 Microsoft Windows XP Pro x64 |
| Linux 32 on x86 | Intel or AMD 32-bit chip sets | Red Hat Enterprise Linux (RHEL) Version 4 Red Hat Enterprise Linux (RHEL) Version 5 |
| Linux 64 on x64 | Intel or AMD 64-bit chip sets | Red Hat Enterprise Linux (RHEL) Version 4 Red Hat Enterprise Linux (RHEL) Version 5 SUSE Linux Enterprise (SLES) Version 10 |
| Windows HPC Server on x64 | Intel or AMD 64-bit chip clusters | Microsoft Windows HPC Server 2008 |
| Linux 64 on Itanium | Itanium 2 | Red Hat Enterprise Linux (RHEL) Version 4 Red Hat Enterprise Linux (RHEL) Version 5 SUSE Linux Enterprise (SLES) Version 10 |
| IBM AIX on Power | Power5 or Power6 | IBM AIX 5.3 |
| HP HP-UX on Itanium | Itanium 2 | HP-UX 11.23 |
| SGI ProPack on Itanium | Itanium 2 | ProPack 5.0 |
| Sun Solaris on x64 | Intel or AMD 64-bit chip sets | Sun Solaris 10 |
| HP HP-UX on PA-RISC | PA-RISC | HP-UX 11.11 |
| Sun Solaris on UltraSPARC | UltraSPARC III or UltraSPARC IV | Sun Solaris 10 |
Click here for the Platform Support Table.
Windows 7 is pre-qualified with 12.1, but pending official certification. Expected early 2010.
AIX 6.1 is functional, but not certified, for 12.1 applications that are certified on AIX 5.3.