The DOS option requires FAT32 and isn’t available for the other file system options like NTFS, UDF, and exFAT. RELATED: What’s the Difference Between FAT32, exFAT, and NTFS?įrom the “File System” dropdown menu, choose the “FAT32” format.
Note that this process will erase the contents of your USB drive, so make sure you’ve backed up any important files on the USB drive first. First, connect your USB drive to the computer and select it in the “Device” dropdown menu.
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exe file.Ĭreating a DOS-bootable USB drive in Rufus is simple. Rufus is a portable app that doesn’t require any installation-you will see the Rufus application as soon as you launch the downloaded. RELATED: What Is a “Portable” App, and Why Does It Matter?įirst, download Rufus and launch it. It’s a fast, free, lightweight application that includes FreeDOS. Instead, we’ll be using a tool named Rufus. Windows’ built-in formatting utility doesn’t allow you to select the “Create an MS-DOS startup disk” option when formatting a USB drive-the option is grayed out in Windows 7 and not available at all in Windows 8 and 10. Step One: Use Rufus to Format Your USB Drive Fortunately, there’s a free third-party utility that lets you quickly create a DOS-bootable USB drive. Many no longer even have optical disc drives. We once formatted our floppy disks with MS-DOS using the format utility built into Windows, but most computers don’t have floppy disk drives anymore. They often require you to boot into DOS to run the utility. RELATED: Do You Need to Update Your Computer’s BIOS?ĭOS may be a relic of the past, but you wouldn’t know that from reading instructions written by manufacturers for BIOS updates, firmware-updating utilities, and other low-level system tools. DOS-on-USB lets you install MS-DOS 7.1 on your USB memory key. Here is the collection of USB Drivers, SCSI Drivers, CD-ROM Drivers, SATA Driver, Ram Disk Drivers, and other useful dos Files.
Windows’ built-in formatting utility lets you create a DOS-bootable floppy drive, but not a USB drive. DOS isn’t widely used anymore, but you’re still likely at some point to need to boot into a DOS environment.