Hi there, I know the exact solution for this particular problem.
If you bought a new computer and stuck on "just a moment'' then it clearly indicates that u immediate unpack your new computer. Start plug in things like keyboard, mouse or so on. This action is very dangrous for a new window start up for your new PC since this is your first time run the system. Solution for whoever encountered this problem.
1. turn on PC, CTRL+ALT+Delete. Look for option to reset PC.
2. Reset the PC, it will re-install new window. (Make sure you unplug all external hardwares such as usb, mouse, keyboard, and so on, left only the Charger on)
3. after roughly 1.5 hours the PC will work as a charm.
Thank me later.