> For the complete documentation index, see [llms.txt](https://checker-docs.gitbook.io/checker-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://checker-docs.gitbook.io/checker-docs/1.-getting-started.md).

# 1. Getting Started

- [1.1 Product Overview: What is Checker and What Does it Do?](https://checker-docs.gitbook.io/checker-docs/1.-getting-started/1.1-product-overview-what-is-checker-and-what-does-it-do.md)
- [1.2 Account Creation: How to Create a Checker Account](https://checker-docs.gitbook.io/checker-docs/1.-getting-started/1.2-account-creation-how-to-create-a-checker-account.md)
- [1.3 Using LTD Codes: A Guide to LTD Codes](https://checker-docs.gitbook.io/checker-docs/1.-getting-started/1.3-using-ltd-codes-a-guide-to-ltd-codes.md)