A:AnswerYou need to buy an HDMI hub with a usb-c connector or a full usb-c hub for video. It will duplicate the screens or split them. Dont think you would have 4 different screens (havent done it with the chrome OS).
A:AnswerNo, we purchased it separately but the computer crashed and will not start after about a month. So after this happened, we didn't need Microsoft office.
A:AnswerProbably, ours crashed and now will not start. We are hoping Dell will fix it but I'm sure everything we had on it will be lost after a factory reset.
A:AnswerSpecifically whats your question, add another internal hard drive (no more space for an extra internal drive) or have an external auxiliary drive (buy a usb external one and have a backup software to admin the process).