Win32 Disk Imager Portable ^new^ Site

The “Device” dropdown shows all removable drives. Double-check the letter. Look at the “Size” column—if your USB is 32GB and the dropdown shows a 2GB card, you have the wrong device.

Click the Write button. A dialog will warn: “This will overwrite the selected device’s Master Boot Record (MBR). Are you sure?”. Click Yes . win32 disk imager portable

Right-click Win32DiskImager.exe and select Run as Administrator . Even though the app is portable, writing raw sectors requires elevated privileges. If you don’t run as admin, you will get an “Access denied” error. The “Device” dropdown shows all removable drives