This is just demo with hotel only, but don't worry i continue work with this mod
[Zdl use]
1-open zdl
2-launch mod (You can in zip file)
3-enjoy
If you do not have ZDL or you do not want unnecessary problems, then take the zip folder and run it with the source port
(If you really don't have Zdl then listen carefully)
1st-install mod (zip folder)
2nd move the folder next to the source port (It is desirable that you still have a wad file
3rd select the folder and wad with the game and drag to your port (In my case, Gzdoom)
4th-if you see the inscription "open with help ..." you open with your port
5th-launch and play.