Minimum x86-64 processor with SSE4.2 support (e.g., Intel Core i5/i7).

Accessing PSIM without a commercial license typically involves one of the following official channels:

8 GB is the minimum, though 16 GB to 32 GB is recommended for standard professional use.

For professional evaluation, Altair offers a 30-day trial of the unlimited version. This includes advanced modules like code generation and renewable energy, though it requires registration with company details. System Requirements (64-bit)

A permanent free demo version is available for general users. While it never expires, it has strict limitations on circuit complexity and the number of components allowed (usually up to 60 elements).

The modern 64-bit version of PSIM is designed to leverage high-performance hardware for complex simulations.

At least 2 GB of free disk space for a compact installation, with 5 GB to 15 GB recommended for the full suite. Key Features and Modules PSIM Academic Hub - Altair