Server install image The server install image allows you to install Ubuntu-Server permanently on a computer for use as a server. It will not install a graphical user interface. 64-bit PC (AMD64) server install image Choose this if you have a computer based on the AMD64 or EM64T architecture (e.g., Athlon64, Opteron, EM64T Xeon, Core 2). Choose this if you are at all unsure. 64-bit ARM (ARMv8/AArch