> For the complete documentation index, see [llms.txt](https://docs.greytrix.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.greytrix.com/gumu-sage-crm-integration/sage-100/installation-guide/pre-requisites/operating-system-requirements.md).

# Operating System Requirements

The following versions of Operating systems are preferred or supported by Sage CRM and Sage 100.

* Microsoft Windows Server 2022 Standard
* Microsoft Windows Server 2025 Standard

***The preferred browser is Google Chrome, as recommended for Sage CRM.***