This is usually caused by hardware acceleration incompatibilities with specific GPU drivers.
Once the installer file finishes downloading, follow these standard OS steps: postman v9.31.0 download
Complete Guide to Postman v9.31.0: Features, Release Notes, and Installation and Installation Support for REST
Support for REST, SOAP, GraphQL, and WebSockets. and production setups.
Direct download link for 9.x? - Help Hub - Postman Community
Easily switching between development, staging, and production setups.