WCH CH340 USB-Serial Driver 2.1.2025.07

Driver package for Windows 10, 11, 32-bit & 64-bit, ARM64. Released Jul 19, 2025.

Manufacturer
WCH
Version
2.1.2025.07
Release date
Jul 19, 2025
Windows
Windows 10Windows 11
Architecture
32-bit & 64-bit, ARM64
Size
228 KB
Hardware IDs
35 supported (see list)
Category
Ports (COM / LPT) › WCH.CN

Download

wch-ch340-usb-serial-driver-2.1.2025.07-x86-x64-arm64-cb95dfc4.cab
Microsoft Update Catalog package (32-bit (x86), 64-bit (x64), ARM64) · 228 KB · SHA-256: cb95dfc4d5d5d8d9186387f144771b41cb246962b6f03e05e3166e7b88f3447e · check on VirusTotal
Download

How to install

  1. Check that this is the right driver. Open Device Manager (right-click the Start button), right-click your device, choose Properties and look at "Hardware Ids" on the Details tab. The value should match one of the supported IDs below (more about hardware IDs).
  2. The driver comes as a .cab package. Open Command Prompt as administrator in the download folder and unpack it:
    mkdir C:\Drivers\pkg
    expand -F:* wch-ch340-usb-serial-driver-2.1.2025.07-x86-x64-arm64-cb95dfc4.cab C:\Drivers\pkg
    (Alternatively, double-click the .cab file, select all files and copy them to a folder.)
  3. Install the driver with pnputil /add-driver C:\Drivers\pkg\*.inf /install. You can also do it from Device Manager: right-click the device, choose Update driver, then "Browse my computer for drivers" and select C:\Drivers\pkg.
  4. Restart the computer and check that the device no longer shows a yellow warning sign in Device Manager.

Supported hardware IDs

This driver package declares support for 35 device IDs. Open an ID to see every driver available for that device.

Hardware IDDevice
USB\VID_1A86&PID_55D2&MI_00 WCH USB-Enhanced-SERIAL-A CH342
USB\VID_1A86&PID_55D2&MI_02 WCH USB-Enhanced-SERIAL-A CH342
USB\VID_1A86&PID_55D3 WCH USB-Enhanced-SERIAL CH343
USB\VID_1A86&PID_55D5&MI_00 WCH USB-Enhanced-SERIAL-A CH344
USB\VID_1A86&PID_55D5&MI_02 WCH USB-Enhanced-SERIAL-A CH344
USB\VID_1A86&PID_55D5&MI_04 WCH USB-Enhanced-SERIAL-A CH344
USB\VID_1A86&PID_55D5&MI_06 WCH USB-Enhanced-SERIAL-A CH344
USB\VID_1A86&PID_55D8 WCH USB-Enhanced-SERIAL CH9101
USB\VID_1A86&PID_55D4 WCH USB-Enhanced-SERIAL CH9102
USB\VID_1A86&PID_55D7&MI_00 WCH USB-Enhanced-SERIAL-A CH9103
USB\VID_1A86&PID_55D7&MI_02 WCH USB-Enhanced-SERIAL-A CH9103
USB\VID_1A86&PID_55DF&MI_00 WCH USB-Enhanced-SERIAL-A CH9104
USB\VID_1A86&PID_55DF&MI_02 WCH USB-Enhanced-SERIAL-A CH9104
USB\VID_1A86&PID_55DF&MI_04 WCH USB-Enhanced-SERIAL-A CH9104
USB\VID_1A86&PID_55DF&MI_06 WCH USB-Enhanced-SERIAL-A CH9104
USB\VID_1A86&PID_55D6 WCH USB-BLE-SERIAL CH9143
USB\VID_1A86&PID_55DA&MI_00 WCH USB-HiSpeed-SERIAL-A CH347
USB\VID_1A86&PID_55DA&MI_02 WCH USB-HiSpeed-SERIAL-A CH347
USB\VID_1A86&PID_55DB&MI_00 WCH USB-HiSpeed-SERIAL-A CH347
USB\VID_1A86&PID_55DD&MI_00 WCH USB-HiSpeed-SERIAL-A CH347
USB\VID_1A86&PID_55DE&MI_00 WCH USB-HiSpeed-SERIAL-A CH347F
USB\VID_1A86&PID_55DE&MI_02 WCH USB-HiSpeed-SERIAL-A CH347F
USB\VID_1A86&PID_55E9 WCH USB-Enhanced-SERIAL CH9111
USB\VID_1A86&PID_55EA&MI_00 WCH USB-Enhanced-SERIAL-A CH9111
USB\VID_1A86&PID_55EA&MI_02 WCH USB-Enhanced-SERIAL-A CH9111
USB\VID_1A86&PID_55E8&MI_00 WCH USB-Enhanced-SERIAL-A CH9114
USB\VID_1A86&PID_55E8&MI_02 WCH USB-Enhanced-SERIAL-A CH9114
USB\VID_1A86&PID_55E8&MI_04 WCH USB-Enhanced-SERIAL-A CH9114
USB\VID_1A86&PID_55E8&MI_06 WCH USB-Enhanced-SERIAL-A CH9114
USB\VID_1A86&PID_55E7&MI_00 WCH USB-HiSpeed-SERIAL-A CH339
USB\VID_1A86&PID_55E7&MI_01 WCH USB-HiSpeed-SERIAL-A CH339
USB\VID_1A86&PID_55EB&MI_00 WCH USB-Enhanced-SERIAL-A0 CH346
USB\VID_1A86&PID_55EC&MI_00 WCH USB-Enhanced-SERIAL-A2 CH346
USB\VID_1A86&PID_55EC&MI_02 WCH USB-Enhanced-SERIAL-A2 CH346
USB\VID_1A86&PID_7523&REV_8234 QinHeng Electronics HL-340 USB-Serial adapter
DriverVersionDateWindows
WCH CH341 USB-Serial Driver 3.9.2024.09 Sep 16, 2024 Windows 11
WinChipHead USB-SERIAL CH340/CH341 Driver 3.6.2021.12 Dec 1, 2021 Windows XP–11
WinChipHead USB-SERIAL CH340/CH341 Driver 3.5.2019.1 Jan 30, 2019 Windows XP–10
USB RS232 Drivers 3.8.25.0, 3.8.12.0 Mar 3, 2017 Windows XP–10
USB-SERIAL CH340 3.4.2014.08 Aug 8, 2014 Windows XP–10
WCH.CN PCI - SERIAL Drivers 3.4.2014.08 Aug 8, 2014 Windows XP–10