Is running ideal? No. Does it work? Yes, absolutely.

If your broker does not provide a 32-bit version, you can download the generic terminal directly.

This guide outlines the essential system requirements, download steps, and optimization tips for running MT5 on a 32-bit Windows 7 machine. System Requirements for Windows 7 (32-Bit)

Download the universal (32-bit) installer from MetaQuotes:

While MetaTrader 5 (MT5) is optimized for modern 64-bit operating systems, it remains compatible with systems through its automated web installer. Minimum System Requirements