In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose 'All Apps' -> swipe or scroll right and choose 'Control Panel' (under Windows System section) -> Hardware and Sound -> Device Manager In Windows 11, Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager

In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them. Once you have downloaded your new driver, you'll need to install it. It is a software utility which automatically finds and downloads the right driver. Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for WCH USB-SERIAL CH340. In the results, choose the best match for your PC and operating system. Enter WCH USB-SERIAL CH340 into the search box above and then submit. If the driver listed is not the right version or operating system, search our driver archive for the correct version. After you complete your download, move on to Step 2. To get the USB-SERIAL CH340 driver, click the green download button above.

How to Update USB-SERIAL CH340 Device Drivers Quickly & Easily Step 1 - Download Your Driver

Ch340 driver windows 7 64 bit