Otherwise, you can use the “NTFS” option. If you know you’ll be booting a computer in UEFI mode (or if you’re unsure), then select the “FAT32” option. This lets WinSetupFromUSB format the drive appropriately for booting.
The first time you add something to the USB drive (and only the first time), you’ll want to make sure that the “Auto format it with FBinst” check box is selected. You’ll be adding Windows versions one at a time. You can close the “Advanced options” dialog when you’re done. This setting allows you to provide your own names for the folders in which the Windows ISOs are stored and the boot menu names you see when you start a computer using the USB drive. In the Advanced Options dialog, select the “Custom menu names for Vista/7/8/10/Server Source” check box. Instead of working like a regular check box, clicking it opens an “Advanced Options” dialog box. But you can always download single ISOs (one for 32-bit and one for 64-bit) and stick them both on the USB if you need to. If you have a dual ISO that includes both the 32-bit and 64-bit versions of Windows, you won’t be able to use it. The tool works with single Windows ISOs from Microsoft. There is one important note from that page worth calling out. For a complete list of what you can include on your USB drive, check out their supported sources page. You can even include some non-windows ISOs on the disk, like Linux distributions and antivirus rescue disks. Setting up a bootable USB Drive that includes multiple ISOs is actually pretty easy, We’re going to do it using a clever little free tool named WinSetupFromUSB, so go ahead and download the latest version of that. RELATED: Where to Download Windows 10, 8.1, and 7 ISOs Legally But why not make yourself a master installation drive that you can use to install any version of Windows? The WIM file for WINDOWS 1 are TOO LARGE for FAT32.You’ve got your collection of Windows ISOs and maybe you’ve burned installation DVDs or flash drives for them. You can use exFAT or NTFS on newer models, however older systems are NOT able to boot from external boot media using NTFS.įor these models it cannot be exfat and larger than 32 gigs or usb 3.X drive. This means that past 1803 the WIM file is TOO LARGE for a FAT32 flash drive.
This means that you cannot copy a file that is larger than 4 GB to any plain-FAT volume.
The 4 GB barrier is a hard limit of FAT32: the file system uses a 32-bit field to store the file size in bytes, and 2^32 bytes = 4 GB (actually, the real limit is 4 GB minus one byte, or 4,294,967,295 bytes, because you can have files of zero length). It also means that ISO must be burned to DUAL Layer DVD media because the base installer is no longer smaller than 4.7 gigs. This is why I recommend using USB 2.0 optical drive and OEM system builder DVD for reinstall. The media must be at least 16 gigs and not larger than 32 gigs and USB 2.0.
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