With Dozian Linux OS, you can have a lite OS on your old computer.

Requirements - 15GB  Storage  -  800MB RAM -  device from 2007 or above

(FOR OSLS/OSL/L)

v1 -   Doesn't have a GUI - Does NOT install on older HP Probooks (i.e. 4530s)/older devices
v2 -   NO GUI - Does NOT install on older HP Probooks (i.e. 4530s)/older devices
v3 -   Does NOT login - Does NOT install on older HP Probooks (i.e. 4530s)/older devices
v4 -   Wallpaper doesn't load and no apps - Does NOT install on older HP Probooks (i.e. 4530s)/older devices
v5 -   Wallpaper doesn't load automatically - one app missing
v6 -   Wallpaper doesn't load - one app missing - Does NOT install on older HP Probooks (i.e. 4530s)/older devices
v7 -   Whole revamp, ISO is smaller - one app missing - Does NOT install on older HP Probooks (i.e. 4530s)/older devices
v8 -   Uses syslinux - one app missing - Does NOT install on older HP Probooks (i.e. 4530s)/older devices
v9 -   Uses syslinux - Full, Works on most devices!!!
v9 (xfce4) -   Uses syslinux - Full, Works on most devices!!! (when booting the live cd/usb, user is "live" password is "live")