You need to plug the USB stick into the computer and set the computer to boot from the USB stick. Find the 'Boot' option and set the U disk as the first boot item. If it is just to repair the windows, you can repair it in the lower left corner after entering the interface.
eBay
Hiren's BootCD 15.3 & Hirens Boot CD PE x64 Windows 10 DVD, contains a host of programs, utilities. Disc is bootable. Ideal for repairing your system, removing viruses or doing a health check. No Returns You are getting 1x CD and 1x DVD, inside sleeves. Suitable for desktop PC's and laptops that have a optical disc drive.
eBay
eBay
Windows 10 Professional Install Recovery Boot Disk [64 Bit] (NO KEY-Disc only) Disc in excellent condition NO KEY - disc only as shown
eBay
New never opened windows 10 software with the drivers on another disc. Obtained in a clean up of a failed EV Company. These support both Pro and Home editions and also support 32 or 64 bit.
eBay
Windows 10 Professional Install Recovery Boot Disk [64 Bit] (NO KEY-Disc only) Disc in excellent condition NO KEY - disc only as shown
eBay
Don't know which one is right for you?.
eBay
eBay