/usr/share/themes/
/home/$USER/.themes/
/usr/share/themes/
/home/$USER/.themes
Tested on Manjaro XFCE 20.0 and Manjaro KDE 20.1
/usr/share/themes/
/home/$USER/.themes/
/usr/share/themes/
/home/$USER/.themes
Tested on Manjaro XFCE 20.0 and Manjaro KDE 20.1