Installing xfce theme icons cursor

Themes (or Window decorations)
Copy the theme dir into ~/.themes/
(system wide: /usr/local/share/themes/ or /usr/share/themes/)

Cursors
Copy the cursor dir into ~/.icons/
(system wide: /usr/share/icons/)

Icons
Copy the icon dir into ~/.icons/
(system wide: /usr/local/share/icons/ or /usr/share/icons/)