Updated: March 30, 2023
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by Daniel Moore
Tech Expert & Writer
1184 resolved issues

Can I install windows on a flash drive

If so what size is needed

Hello, thank you for using Howly. I’ll be happy to help you out! May I ask your name?

Customer Replay


Nice to meet you, *****!
You can download the Windows installation tool to a flash drive, if that's what you mean
Also, you can run Windows 10 or 11 directly from a USB drive.


You'll need a USB flash drive with at least 16GB of free space, but preferably 32GB.

Customer Replay

Ok cause I have 2 64gb USB drives

Ok, that will do

Customer Replay

Do they gotta be formatted or can I just install the windows on it I really don't want to format them

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To make a bootable Windows USB drive you will need to:

  1. Format a 16GB USB flash device
  2. Download the Windows 10 media creation tool from Microsoft
  3. Run the media creation wizard to download the Windows 10 installation files
  4. Create the installation media
  5. Eject the USB flash device
    Yes, they need to be formatted
Customer Replay


Is there anything else I can do for you today?

Customer Replay

No that's all

Thank you for reaching out. Please let me know if you have any other questions and I'll be happy to clarify them for you!

Customer Replay

Ok thanks again

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Sure, you are welcome!

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