> This page is for TWS API.

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://ibkrcampus.com/docs/llms.txt.

# 2. Navigate to Python Source

Customers should then change their directory to  `{TWS API}\source\pythonclient` .

It is then recommend to display the contents of the directory with "ls" for Unix, or "dir" for Windows users.

![Contents of python source directory.](/docs/_fern-files/interactive-brokers-585439.docs.buildwithfern.com/3f1fb90dd18055f01d66d29e56ad635b8491ecf19149639e107fab56cc42170b/docs/assets/media/setupCmdCd-700x511.png)