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When you want to install or upgrade Windows 10, you will need a Windows 10 installation media like a bootable USB drive or CD/DVD disc. How to Upgrade or Get Windows 10 without Installation.Create an Installation Media or Download ISO file.Use Windows Media Creation Tool to Upgrade Your PC.In this article, I will show you how to use Windows 10 Media Creation Tool to make Windows installation media or to download ISO file with detailed steps and screenshots. This will Boot using the FAT32 BOOT Partition which will use the files on the NTFS INSTALL Partition during the Windows Setup.Windows 10 Media Creation Tool is a very useful tool for users to upgrade Windows 10 or reinstall Windows 10. The Boot Mode should be set to UEFI and Secure Boot should be ON. Power it up and press to access the BIOS Boot Menu. Power off your Dell Computer and insert your Bootable USB. Note it may take several minutes for the large files to fully copy over to your USB. In this sources folder copy the boot.wim file from the original sources folder of the ISO.Ĭopy all the files/folders from the Windows Installation ISO to the INSTALL Partition. In its place create your own sources folder.

Then Format the File System with the NTFS.Ĭopy all the files/folders from the Windows Installation ISO to the BOOT Partition except for the sources folder.Assign the following drive letter e.g.Use the default value for the Simple Volume Size in MB (which will span the rest of the USB Flash Drive).Right click it and select Format once again selecting FAT32 and ensuring the Volume Label is BOOT. If the USB partition does not say FAT32 and instead says RAW. Then Format the File System with the FAT32.Change the Simple Volume Size in MB to be 1024.Right click the unallocated space and select New Simple Volume. Select Next. Delete the FAT32 Partition on your USB Flash Drive. Insert your >16 GB USB Flash Drive and right click the Start Button and select Disk Management. Select Start and then accept the warnings in order to proceed. Use USB as the Volume Label and the FAT32 File System.

Under Partition Scheme select GPT and under Target System select BIOS or UEFI. Under Boot Selection, select Non Bootable. Select your USB under the Device drop down. Setting up a GPT Partition Table on the USBįirst we will use Rufus to create a non-Bootable USB with a GPT Partition Table. To get around this we can create a multi-partition USB with a FAT32 BOOT Partition and NTFS INSTALL Partition.

Recent Microsoft installation media from direct download links include an install.wim that exceeds 4.0 GB and therefore if a solo FAT32 Partition is used, the install.wim is truncated and the installation media is therefore corrupted. One of the limitations in the FAT32 File System is the upper file size of 4.0 GB. Many Dell systems expect Bootable Media to have a FAT32 Boot Partition.