**Before proceeding verify the disk number of the USB device you want to install Windows 10 with! Selecting the incorrect disk will prevent this from working** Step 5: Creating Primary Partition On Our USB Drive (IMPORTANT!) Step Alrighty, we are now ready to make our USB drive bootable! If you’re on Windows 8, right-click on the Start button and you will see the poweruser menu. The mounted ISO file and the USB drive may at some point have the same icons.Ĩ. The icon of your USB drive might or might not change at this point. So better safe than sorry and check it again, then proceed. Even if it appears empty on first glance, certain files like log files or documents don’t take a lot of disk space and are often missed. Step You will be given one last warning that this will erase all data, confirm AFTER double-checking that nothing you need is on it. Step The option “Perform a quick format” should be enabled and the filesystem should be changed from FAT32 to NTFS. Move any files you still need from the USB drive to a safe location:Ĥ. You can verify that by opening the Windows explorer and opening the drive with the exact same letter. Make sure it’s really your USB drive, because we are going to format it now (erase all data). Step This will open the disk management panelģ. Step Hit Windows key + R to open Run and copy and paste this command diskmgmt.msc:Ģ. Step Check what letter Windows is assigning to the mounted Windows 10 disc:īefore we can install Windows 10 we need to copy the data from the ISO to our drive, but that won’t work if it doesn’t have an active boot partition, so we need to format the drive first.ġ.

Luckily, Windows has built-in support for mounting ISO’s.ħ. Step Next, we are going to mount the ISO file. You also need to free at least 5GB of disk space for the bootable USB.Ħ. Please note: You need to be on a 64-bit OS to be able to create a 64-bit bootable Windows 10 drive.īefore we can install Windows 10 via our USB device, we obviously need the ISO file, which you can download here: Step 1: Download Windows 10 ISO (32-bit or 64-bit) Troubleshooting: Access Denied: Could Not Map Drive Partitions Troubleshooting: Access Denied: The Update May Be Unreliable

Troubleshooting: Is The USB Drive Bootable? If you run into any issues, try our troubleshooting tips: Please note that many regular USB sticks are not bootable and you may need a proper flash drive with boot-support. to verify that your drive is actually bootable.Ĭreating a bootable USB drive to install Windows 10 from USB takes inexperienced users approx. In this guide we’ll take a closer look at installing Windows 10 from your USB stick (pen drive) and what utilities can help you to get this done e.g.

Boot usb iso windows 10