Download Arduino Uno Driver [new] May 2026

The driver you need depends on the USB-to-Serial chip on your specific board:

Many affordable versions use the CH340 or CH341 chip. These require a separate download from the WCH official site . How to Download and Install (Step-by-Step) 1. For Official Boards (Windows)

Since clones don't use official Arduino chips, you must download the CH340 driver separately: Manually Install Drivers on Windows | Arduino Documentation download arduino uno driver

Open (right-click the Start button and select it).

If your board isn't appearing in the "Tools > Port" menu, follow these steps: Connect your Arduino Uno to your PC via USB. The driver you need depends on the USB-to-Serial

Uses the ATmega16U2 chip. Drivers for this are included in the Arduino IDE installation folder .

If your computer doesn’t recognize your Arduino Uno when you plug it in, you likely need to install or update the . This driver acts as the bridge that allows your operating system to talk to the microcontroller. For Official Boards (Windows) Since clones don't use

Navigate to the drivers folder within your Arduino IDE installation directory (usually C:\Program Files (x86)\Arduino\drivers ). Click and Windows will finish the installation. 2. For CH340 Clones (Windows, Mac, Linux)