To ensure your download has not been tampered with, verify the MD5 or SHA-256 checksum against official documentation. You can do this in Windows PowerShell using the command: Get-FileHash .\rufus-3.4.exe Step-by-Step Guide: Creating a Bootable USB with Rufus 3.4
What (Windows, Linux, or a utility) are you planning to flash?
Since this is an older version, it is no longer the primary download on the official Rufus website . However, you can still find it through these verified and community-supported sources: rufus 3.4.1430 download
To ensure your system remains completely secure, follow these safety guidelines:
You can change this to give your USB drive a custom name (e.g., "Win10_20H2"). To ensure your download has not been tampered
The web is full of fake download sites that bundle malware, adware, or toolbars with popular utilities. Never download from "cnet.com", "softonic.com", "uptodown.com" or similar third-party aggregators unless you enjoy cleaning viruses.
Double-click the downloaded .exe file. No admin rights? Rufus will prompt you—administrator privileges are required for writing to USB drives. However, you can still find it through these
Because Rufus 3.4.1430 is a legacy release from 2018, it's vital to download it only from trustworthy sources to avoid malware. I only recommend downloading from these official or highly reputable archives:
This occurs when another application (such as aggressive antivirus software or Windows File Explorer) locks the USB drive. Temporarily disable your antivirus real-time scanning or try close open background folders and hit Start again.
, a popular legacy version of the reliable USB formatting utility. Rufus 3.4.1430: Reliable USB Boot Creation Released in December 2018
However, if you are setting up Windows 11, using an Apple Silicon Mac via virtualization, or need the latest UEFI Secure Boot compatibility, you should download Rufus 4.5 or newer instead.