Plug the USB drive with your operating system installer into your new computer, then power on and you should boot into your OS installer, which will step you through the process.
Plug the USB drive with your operating system installer into your new computer, then power on and you should boot into your OS installer, which will step you through the process. If the system doesn’t access your installation drive, you may need to navigate to the BIOS and make sure your USB drive is visible as a boot device and that it's placed in the boot order before any internal drive or drives.