This the Walkthrough Windows Security CTF, basically the Pentester Academy has an event every week for the CTF.
The Windows Security CTF event has ended, but you still can found and access here: https://attackdefense.pentesteracademy.com/challengedetails?cid=2143
When you visit the link you need to login Pentester Academy first before you can run/start the lab. The lab will terminate after 1 hour (Windows Lab), therefore you will have to start another lab. They will provide with kali machine without internet access, all the tools required for solving the CTF are available on the Kali machine.
The Objective: Capture and verify 9 flags.