> For the complete documentation index, see [llms.txt](https://www.vr9.io.vn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://www.vr9.io.vn/ho-tro-support/quickstart-1/video-huong-dan-tung-buoc.md).

# Video hướng dẫn từng bước