Used Macbook A1181 2007. It runs Snow Leopard 10.5 and Lion 20.7 MacOs native. It <b>DUALBOOTS </b>This one has a modified Mountian Lion 10.8.5 with LibreOffice (MacOs version 5 and Windows 10 64bit versions 7.4).&nbsp; The MacOs has an updated Legacy Firefox Browser which work with youtube and most movie sights. It also has Windows 10 X64 bit is modern edge browser. (It natively will install only windows 32 bit). Comes with&nbsp; MacOs recovery partition for Mountain Lion 10.8.5 on the startup screen and a total system bootable backed-Up (MacOs 10.8.5 and Win 10x64) on 128gb flash drive.&nbsp; It has 128gb SSD, 4gb Ram, and a working DVD Drive and other ports.&nbsp; The battery charges but needs to the changed.&nbsp; I is in poor condition and only partially charges.&nbsp; The power supply work, but needs to be swist back and forth to get it to seat correctly.&nbsp; The power plug works better with the newer model power supply with right angle attachment.&nbsp; AS IS but Worked for me.&nbsp;