What file should I go for, bootx64.efi? Or bootmgr.efi?

I am going to do a clean install of windows 10 using usb stick.

I followed the instruction successfully make a usb installation media.

In the usb drive, you can see there is a bootmrg.efi file and in the sub folder efi /boot/, there's a bootx64.efi.

what is the difference between the two files, and which should I go for when I am in the motherboard Bios setting.

I am sure when I get press F12 and get into Bios setting page, I need to choose a file for the for the USB bootable

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3 Answers

As Wayne stated, bootx64.efi is the correct choice, (according to Microsoft):

"Some older PCs (Windows 7-era or earlier) support UEFI, but require you to browse to the boot file. From the firmware menus, look for the option: "Boot from file", then browse to \EFI\BOOT\BOOTX64.EFI on Windows PE or Windows Setup media."

2

You shouldn't have to select a file, if you could somehow get a picture of what you are looking at, that would be great.

This was directly off of Alienwares website on how to install windows.

Turn on your computer to insert the DVD or USB flash drive and then shut it down. Restart the computer and at the Alienware logo start tapping the F12 key to get the Boot menu. Choose the DVD/USB flash drive from the list and hit enter. When prompted, choose your language and the other preferences there listed and click next. Click on Install Windows. On the license terms page, if you accept them, click I accept the license terms, and then click next. On the Which type of installation do you want? page, click Custom. On the Where do you want to install Windows? page: If you have a new or replacement hard drive just select it, click on new and then apply. If you are formatting the existing drive, select the windows partition that you want to change. Click the Format option and then follow the on-screen instructions. When you have finished formatting, click on next for the Windows Setup to begin and follow the on-screen instructions to finish installing Windows.

Select bootx64.efi. After select that file, exit the bios and restart your computer. It may take a few moments but you should see the windows installation pop up and you'll be good to go.

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