Rufus is a free two-megabyte tool that turns any spare pen drive into a Windows 11 installer - and version 4.14 adds options that clean up the installation itself. This guide explains every Rufus setting in plain words, in the right order, so your USB boots the first time.
One honest warning before anything else: Rufus erases the selected USB drive completely. That is not a bug, it is how the tool works. Save your files first, then follow the settings in order - device, ISO, image option, partition scheme - and the rest of this guide explains what each one really does.
Rufus is a single portable file of about 2 MB. It needs no installation - you just run it. Get it from rufus.ie or from the releases page of the official GitHub project (pbatard/rufus). The genuine file is digitally signed by Akeo Consulting. Never download Rufus from a random software portal - those copies are a classic way to bundle adware onto a PC that is about to be formatted anyway.
Plug in the USB drive before opening Rufus, then pick it in the Device dropdown and confirm its size matches your pen drive.
With a Windows ISO selected, Rufus offers two image options. Standard Windows installation is what almost everyone wants - it builds a normal installer USB. Windows To Go installs a full working Windows onto the USB itself, so you can boot your own desktop from the drive. That sounds attractive, but Microsoft discontinued Windows To Go years ago, so treat it as a technician's tool, not a daily driver - we have a separate honest guide on it.
This is the setting people get wrong most often, and it decides whether the target PC can even see your USB at boot.
For Windows ISOs, Rufus chooses NTFS and adds its small UEFI:NTFS loader, so even a pure UEFI PC can boot from an NTFS stick - that is how Rufus fits install files larger than the 4 GB FAT32 limit without splitting them. For small Linux ISOs it may offer FAT32. Cluster size stays on Default in both cases. Changing these values rarely helps and often breaks booting.
For a Windows ISO, pressing Start opens a second dialog - the Windows User Experience box. This is where Rufus earns its fame: remove the TPM 2.0, Secure Boot and 4 GB RAM requirements, skip the forced Microsoft account, create a local account automatically, skip the privacy questions, and more. In 4.14 every option in this dialog has a tooltip - hover over any line and Rufus explains it in plain words. Each checkbox is covered one by one in our separate guide on this page's topic list.
Version 4.14 (build 2377, released 30 April 2026) is a Windows-focused update:
Restart the target PC and open its one-time boot menu (commonly F12, F9, Esc or F8 - the first screen of the PC usually names the key). Choose the entry that begins with UEFI: followed by your USB drive's name. If you see Press any key to boot from USB, press a key within a few seconds - ignore it and the PC boots your old Windows instead. From there, Windows Setup is the standard process.
Every option in this guide - including the 4.14 Quality of Life checkbox - is shown live in the video, start to finish.
▶️ Watch Full VideoYes. Rufus is free and open source, released under the GPL licence, and maintained by its developer Pete Batard. Download it only from rufus.ie or the official GitHub releases page, and check that the file is digitally signed by Akeo Consulting. Copies from other sites are where the risk lives.
Yes, completely. Creating bootable media means formatting the drive and writing a new partition layout. Rufus warns you before it starts, and by default it only lists removable USB drives - your internal Windows disk is not a target unless you deliberately enable the option to list USB hard drives.
An 8 GB drive is enough for a Windows 11 installer, because the ISO is a little over 5 GB. A 16 GB drive is more comfortable and gives Rufus working room. Speed matters more than size - a very slow, old pen drive makes both creation and installation drag.