lost docker-quickstart folder in wsl2 ubuntu

I installed docker and cloudera/quickstart like this:

1. install and set wsl2 as default
2. install docker desktop
3. change dir of images docker to another dir follow this link:link
4. change dir of wsl to another dir follow this link link
5. open powershell as admin, pull cloudera/quickstart:latest
6. follow this yt video link . in step 5, I can't find folder docker-quickstart. how can I find it now?