If you are developing on Windows and want to connect a device for testing,then you need to install the appropriate USB driver. This pageprovides links to the web sites for several original equipment manufacturers (OEMs),where you can download the appropriate USB driver for your device.

A library of over 250,000 device drivers, firmware, BIOS and utilities for Windows. To verify that your driver is working, you should see a difference in the following pictures after plugging the CH340 to a USB port. To check that the CH340 enumerates to a COM port, you can open the device manager. You can click the Start or ⊞ (Windows) button and type 'device manager to quickly search for the application.

• Unknown devices show up in the Windows Device Manager when Windows can’t identify a piece of hardware and provide a driver for it. An unknown device isn’t just unknown — it’s not functioning until you install the right driver. Windows can identify most devices and download drivers for them automatically.
• Virtual COM port (VCP) drivers cause the USB device to appear as an additional COM port available to the PC. Application software can access the USB device in the same way as it would access a standard COM port. This software is provided by Future Technology Devices International Limited “as is” and any express or implied warranties.

If you're developing on Mac OS X or Linux, then you shouldn't need a USB driver.Instead read Using Hardware Devices.

To connect and debug with any of the Google Nexus devices using Windows, youneed to install the Google USB driver.

Install a USB driver

First, find the appropriate driver for your device from the OEM driverstable below.

Once you've downloaded your USB driver, follow the instructions below to install or upgrade thedriver, based on your version of Windows and whether you're installing for the first timeor upgrading an existing driver. Then see Using Hardware Devices forother important information about using an Android device fordevelopment.

Caution:You may make changes to android_winusb.inf file found insideusb_driver (for example, to add support for other devices),however, this will lead to security warnings when you install or upgrade thedriver. Making any other changes to the driver files may break the installationprocess.

Windows 10

To install the Android USB driver on Windows 10 for the first time, do the following:

1. Connect your Android device to your computer's USB port.
2. From Windows Explorer, open Computer Management.
3. In the Computer Management left pane, select Device Manager.
4. In the Device Manager right pane, locate and expand Portable Devices or Other Devices, depending on which one you see.
5. Right-click the name of the device you connected, and then select Update Driver Software.
6. In the Hardware Update wizard, select Browse my computer for driver software and click Next.
7. Click Browse and then locate the USB driver folder. For example, the Google USB Driver is located in android_sdkextrasgoogleusb_driver.
8. Click Next to install the driver.

Drivers Elexim Port Devices Gigabit

Windows 8.1

To install the Android USB driver on Windows 8.1 for the first time, do the following:

1. Connect your Android device to your computer's USB port.
2. Access search, as follows:

   Touch screen: On your computer, swipe in from the right edge of the screen and tap Search.

   Using a mouse: Point to the lower-right corner of the screen, move the mouse pointer up, and then click Search.

3. In the search box, type into and then click Device Manager.
4. Double-click the device category, and then double-click the device you want.
5. Click the Driver tab, click Update Driver, and follow the instructions.

Windows 7

To install the Android USB driver on Windows 7 for the first time, do the following:

1. Connect your Android device to your computer's USB port.
2. Right-click on Computer from your desktop or Windows Explorer, and select Manage.
3. Select Devices in the left pane.
4. Locate and expand Other device in the right pane.
5. Right-click the device name (such as Nexus S) and select Update Driver Software. This will launch the Hardware Update Wizard.
6. Select Browse my computer for driver software and click Next.
7. Click Browse and locate the USB driver folder. (The Google USBDriver is located in android_sdkextrasgoogleusb_driver.)
8. Click Next to install the driver.

Or, to upgrade an existing Android USB driver on Windows 7 and higher with the newdriver:

1. Connect your Android device to your computer's USB port.
2. Right-click on Computer from your desktop or Windows Explorer, and select Manage.
3. Select Device Manager in the left pane of the Computer Management window.
4. Locate and expand Android Phone in the right pane.
5. Right-click on Android Composite ADB Interface and select Update Driver. This will launch the Hardware Update Wizard.
6. Select Install from a list or specific location and click Next.
7. Select Search for the best driver in these locations; uncheckSearch removable media; and check Include this location in thesearch.
8. Click Browse and locate the USB driver folder. (The Google USBDriver is located in android_sdkextrasgoogleusb_driver.)
9. Click Next to upgrade the driver.

Get OEM drivers

Drivers Elexim Port Devices Lucie

Drivers Elexim Port Devices Terminal

If you don't see a link for the manufacturer of your device here, go to the support section of the manufacturer's website and search for USB driver downloads for your device.