> For the complete documentation index, see [llms.txt](https://pichain-global.gitbook.io/pichainmall/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pichain-global.gitbook.io/pichainmall/faq/others.md).

# Others

**How to change username in PCM?**\
\
Click on your username, nickname and enter the new username and confirm it.