At least an 8GB stick, you won't need the full thing. Easier to get large thumbdrives then small ones these days. Answer from logicearth on reddit.com
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HP
hp.com › us-en › shop › tech-takes › how-to-install-windows-11-from-usb
Install Windows 11 from USB Guide - HP® Tech Takes
May 7, 2025 - For a successful Windows 11 installation, you’ll need: A high-speed USB flash drive (16GB or larger) for faster installation times · A reliable external hard drive for backing up your data before installation · For advanced users: A bootable ...
Discussions

Size Flash Drive Do I Need for Windows 11?
I'm getting ready to install windows 11 on my pc and want to make sure I'm using the right size USB drive. what's the minimum storage I'll need to create a bootable drive for the installation? any insights would be greatly appreciated! More on answers.microsoft.com
🌐 answers.microsoft.com
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November 21, 2024
Size Flash Drive Do I Need for Windows 11?
I'm getting ready to install windows 11 on my pc and want to make sure I'm using the right size USB drive. what's the minimum storage I'll need to create a bootable drive for the installation? any insights would be greatly appreciated! More on learn.microsoft.com
🌐 learn.microsoft.com
1
64
November 21, 2024
Downloading Windows 11 from a bootable USB, no cursor coming up in Windows 11 Setup screen to move forward. Touch screen not working either. : techsupport
Need help or ideas kn how to get it downloaded. SOLVED: external hub dock with mouse and keyboard More on old.reddit.com
🌐 r/techsupport
Windows 11 bootable USB drive : PcBuild
So I plan on building a PC sometime this week but the only thing I'm missing is the OS. Since I don't have a different computer running windows 11... More on old.reddit.com
🌐 r/PcBuild
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Eleven Forum
elevenforum.com › windows support forums › tutorials
Create Windows 11 Bootable USB Installation Media | Windows 11 Forum
July 27, 2021 - You must be signed in as an administrator to create a bootable Windows 11 installation USB. The USB flash drive needs to be at least 8 GB or larger in size.
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MakeUseOf
makeuseof.com › home › windows › 3 ways to create a windows 11 bootable usb drive
3 Ways to Create a Windows 11 Bootable USB Drive
November 6, 2023 - Click the drop-down under the Image option and select Standard Windows 11 Installation. Leave the Partition scheme (GPT) and Target system (UEFI) as default. Under Volume label, enter a name for your bootable flash drive. Leave the File system and Cluster size, and other options as default.
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Quora
windows11hacks.quora.com › What-is-the-minimum-size-of-a-USB-stick-for-you-to-use-it-as-a-bootable-drive
What is the minimum size of a USB stick for you to use it as a bootable drive? - Windows 11 Hacks - Quora
Answer: Usually 8GB is enough. Most of system image install additional packages via internet during installation, or install them after reboot. So system image doesn't need to contains everything.
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Microsoft Answers
answers.microsoft.com › en-us › msoffice › forum › all › size-flash-drive-do-i-need-for-windows-11 › 7cf463a5-6dd8-45a6-aa25-ac571cb40cf6
Size Flash Drive Do I Need for Windows 11?
November 21, 2024 - To create a bootable USB drive for Windows 11 installation, Microsoft recommends a USB flash drive with at least 8 GB of storage.
Find elsewhere
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Quora
quora.com › How-do-I-install-Windows-11-to-a-64GB-3-0-USB-drive-stick
How to install Windows 11 to a 64GB 3.0 USB drive stick - Quora
Answer (1 of 3): Assyming you want to make a portable install you should purchase a USB SSD rather than a flash drive. There is a difference. After that is sorted, you'll need to workaround that Windows setup will not install to any removable storage. So, your scenario is immediately sus. What y...
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YouTube
youtube.com › watch
How to make Windows 11 Bootable USB Drive (DIY Guide) - YouTube
How to make Windows 11 Bootable USB Drive (DIY Guide)This video will walk you through the entire process, including downloading the necessary FREE software a...
Published   June 12, 2024
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Windows Central
windowscentral.com › microsoft › windows help
How to download Windows 11 onto a USB flash drive | Windows Central
April 27, 2024 - Under the "Volume label" field, confirm a name for the bootable media — for example, "Windows 11." In the "File system" and "Cluster size" options, do not change the default settings. Click the "Show advanced format options" button. Check the Quick format option. Check the "Create extended label and icon files" option. Click the Start button. (Optional) Check the "Remove requirement for 4GB+RAM, Secure Boot and TPM 2.0" option to create a USB ...
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YouTube
youtube.com › watch
How to Create a Windows 11 Bootable USB Drive (Tutorial) - YouTube
This Windows 11 tip is one everyone should know and do. Having a bootable USB drive for Windows 11 prior to having major issues with the operating system is ...
Published   April 2, 2025
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Hp
hp.com › home › it tips › miscellaneous › how to install windows 11 from a usb drive
How to Install Windows 11 from a USB Drive
March 12, 2024 - If you haven't cleaned up your computer's storage in a while, now is the best time. You'll need at least 5.1GB of extra storage space on all of the devices involved in this process because that’s the Windows 11 ISO file size.
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Asus
asus.com › us › support › faq › 1039507
[Windows 11/10] How to Create and Use a USB Flash Drive Installation Media to Reinstall Windows | Official Support | ASUS USA
November 3, 2025 - To use installation media for reinstalling Windows, you will need another device that can connect to the internet (if your device is unable to enter the operating system) and an empty USB flash drive (at least 8GB of space) to create the installation media for Windows.
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Microsoft
microsoft.com › en-us › windowsinsider › cleaninstall
Windows 11 Clean Installation
Step-by-step guide for a clean installation of Windows 11 to switch to an Insider channel or retail build with a lower build number.
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Microsoft Learn
learn.microsoft.com › en-us › windows-hardware › manufacture › desktop › install-windows-from-a-usb-flash-drive
Install Windows from a Flash Drive | Microsoft Learn
If you're looking for an easy, ... or DVD · Flash drive (USB or MiniSD depending on what your device supports) with at least 5GB free space....
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Microsoft
microsoft.com › en-ca › software-download › windows11
Download Windows 11
Select the language, edition, and architecture (64-bit) for Windows 11. ... USB flash drive: Attach a blank USB flash drive with at least 8GB of space. Any content on the flash drive will be deleted. ISO file: Save an ISO file to your PC. This can be used to create a bootable DVD.
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Microsoft Learn
learn.microsoft.com › en-us › answers › questions › 5353981 › size-flash-drive-do-i-need-for-windows-11
Size Flash Drive Do I Need for Windows 11? - Microsoft Q&A
November 21, 2024 - To create a bootable USB drive for Windows 11 installation, Microsoft recommends a USB flash drive with at least 8 GB of storage.
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Laptop Outlet
laptopoutlet.co.uk › blog › usb-size-windows-11-installation.html
What Size USB Do You Need for Windows 11 Installation
June 24, 2025 - 2. Is FAT32 or NTFS better for Windows 11 USB? FAT32 is recommended for UEFI systems; NTFS for older BIOS-based setups. 3. Can I use the same USB for multiple installations? Yes—just reformat and replace the files with new installation media. 4. Does USB speed matter for installation? Yes—USB 3.0 or higher offers faster installation compared to USB 2.0. 5. Will creating a bootable USB erase existing files?
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Seven Forums
sevenforums.com › installation-setup › 428199-how-many-gb-does-windows-11-require-your-usb-memory-stick.html
How many gb does windows 11 require on your usb memory stick? - Windows 7 Help Forums
February 5, 2023 - It needs to be at least 8 GB. How many gb does windows 11 require on your usb memory stick? Is there any chance that the size of the installation media file is going to change and get bigger?