Remember the golden rules:

Sufficient space on the PC to store the firmware images. Framework: .NET Framework 4.5 or later. How to Install and Prepare the USB Drive

You can download the (currently version 3.5.0) directly from the official Dell Support Downloads directory. Note that Dell has officially deprecated this tool as of April 4, 2025 , and now recommends Dell ISO imaging and OS recovery tools for current thin client models. 🛠️ Prerequisites Disk Space : At least 2 GB of free space for installation. Software : Microsoft .NET Framework 3.5 must be installed.