> For the complete documentation index, see [llms.txt](https://emotiv.gitbook.io/emotivpro-builder/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://emotiv.gitbook.io/emotivpro-builder/getting-started/installation.md).

# Software requirements

Before using Builder, you must have EMOTIV Launcher installed on your computer so Builder can operate in your internet browser. For more information on installing EMOTIV Launcher on your computer, please refer to the [EMOTIV Launcher User Manual](https://emotiv.gitbook.io/cortex-manual/).