Here are the steps you need to follow to install the CH340 driver on Windows 10. .
Open the Device Manager and expand Ports.
Right-click the USB-SERIAL CH340 port and choose Update driver.
Pick the Browse my computer for driver software option.
Mention the driver location, include subfolders, and Browse.
Choose the folder having the CH340 driver.
Click Download/OK.
Follow the on-screen commands to complete the installation.