A:AnswerYes, it comes with a sleeve carrier that doubles as a stand. It's very easy to install with PCs. One USB cable. It may automatically download the required video drivers to run but if it doesn't ASUS' website has them available to download. 10 minutes tops to install.
A:AnswerThis model supports the Mac Book Air 2018. You can try to update the drivers for Mac OS here: https://www.asus.com/us/Monitors/MB168B/HelpDesk_Download/.
A:AnswerIf you're also using a dedicated laptop/desktop computer along side it. You cannot use it as a primary monitor if you're not already hooked up to an operating system where you can adjust display settings/arrangements.