> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://help.close.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://help.close.com/_mcp/server.

# System Requirements and Supported Browsers

> System requirements for Close, including at least 8 GB of RAM, and the browsers supported for web-based calling (the latest two versions of each).

#### Supported Operating Systems

####

* OS X 13 (Ventura) or higher
* Windows 10 or later

#### Technical Requirements

**RAM:** At least 8 GB. (depending on how may apps re used at the same time, more might be required)

#### Web-based Calling Requirements

Supported browsers:

* Safari
* Chrome
* Opera
* Firefox
* Brave
* Edge

Web-based dialing will work on the latest two versions of each browser. Keep your browsers updated to the newest version for the best experience.