If you are using a 10 or 12 years old computer which was very fast in that time. XTRA-PC is used to install a new operating system on your old systems. Can I install other programs (like Skype) on my system? Yes. We designed Xtra-PC to automatically detect and work with a wide range of peripherals with no configuration needed. Will Xtra-PC work with my monitor, keyboard, mouse and other peripherals? Yes. Xtra-PC runs from the USB and does not modify or overwrite any of your existing files. What is XTRA PC? XTRA-PC is used to install a new operating system on your old systems.