> For the complete documentation index, see [llms.txt](https://launcher-docs.netmarble.com/faq-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://launcher-docs.netmarble.com/faq-en/pc-preorder/3.md).

# Deleting Launcher During Participation

* First, you'll need to reinstall the Netmarble Launcher and make sure that your previous PC version pre-registration history was saved.
* If you see the \[PC Pre-registration] button on the pre-registration window, please pre-register again.