A:AnswerYes, you can. If you have macOS boot camp should make it easy. If you use Linux, be sure to install windows first, and Linux second. Windows update will sometimes break your bootloader if you use a single partitioned disk.
A:AnswerYes, it can be installed on a computer/laptop that is currently using Windows 8.1, but it might not run as efficiently because its hardware might not have enough power to run the new operating system
A:Answeryou can use the usb drive to download windows onto multiple computers, yes. but it only contains one license, so only one of your computers will be fully working.
