Bentley V8 11 applications are . You cannot install them on a 32-bit operating system.

Before installing the main application, you must install the . These components are often bundled with the installer but can be downloaded separately if you are working offline.

Bentley generally supports applications on operating systems that are not yet "retired" by Microsoft. For v8.11 (V8i) series, typical supported systems include: Installation Requirements - Bentley Software Documentation

Intel® or AMD® processor at 2.0 GHz or greater . Note that CPUs must support SSE2 instructions.

Specifically for Windows Vista and Windows 7 compatibility. Minimum Hardware Profile