We start up with Cinnamon update, skel and reboot.
Then we install Qtile with the ATT.
You will see that the icons for the folders in thunar could be nicer.
You still need to set the layout of Qtile. All the info can be found on this website.
If you have an error in our ArcoLinux Tweak Tool or ATT you start the tool from the terminal.
Pacman will/might give a clue why the installation has failed.
There are so many reasons why it can go wrong. Analysis is then required.
Packages not present, conflicting packages, Arch Linux server down, ArcoLinux server down, key issues,...
Removing the desktop can be achieved by removing the most important packages.
It is not always possible for example with Plasma. Then you do a clean install.
You can use our cheatsheet to know what packages to remove
sudo pacman -R ... sudo pacman -Rs ...