How to Make a Pen drive Bootable via CMD without any software (Step-by-Step Guide 2025) Windows 11

If you want to install Windows via USB pen drive? Or make a bootable tool for Windows troubleshooting? You can do it easily using just some built-in Windows commands, without installing any third-party software like Rufus, so let’s get started.

In this step-by-step guide, I’ll show you how to make a bootable pen drive using CMD—no third-party extra software required.

So, what you will need to perform this action

First of all take a all backup for important files before proceeding.

Step 1: Insert a pen drive on your laptop or desktop (Make sure it is working properly).

Step 2: press “Win + S” and type CMD run via administrator.

Step 3: Type “Diskpart” for start the Disk Partition Tool.

Step 4: Then Type “List disk” for showing all connected drives.

Step 5: Then Type “Select Disk 1” for selecting pen drive (Confirm that disk 1 is pen drive).

Step 6: Then Type “Clean” for erasing partition on the pen drive.

Step 7: After that then type “create partition primary”.

Step 8: Type “select partition 1” for selecting partition of pen drive.

Step 9: Type “format fs=fat32 quick” If you are making a bootable Windows 10/11 USB for UEFI systems, FAT32 is preferred (For large ISOs, you may need to use ntfs instead of fat32).

Step 10: Type “Active” for makes the partition bootable.

Step 11: Type “Assign” for Diskpart tool successfully assign the letter or mount point.

Step 12: After that type of command “exit” for exit the diskpart utility.

Step 13 : Now manually copy all of your files from your ISO or setup directory to a USB drive, If you have a Windows ISO, mount it, Right-click the ISO file → Click Mount, Open the mounted ISO (this will normally open as a new drive letter) Copy all contents and paste to your USB drive, Now your USB drive is bootable Insert it into any PC/laptop Boot from USB by modifying boot order in BIOS Install or fix Windows from there Use Rufus if you’re not comfortable with CMD, Making a bootable USB with CMD sounds techy, but trust me, it’s really easy if you read the instructions properly.

 

If you faceing download Windows ISO file watch this video.

 

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