Cypress Semiconductor Realtek RTL8139C+ Fast Ethernet NIC Driver Download

How to Update Realtek RTL8139C+ Fast Ethernet NIC Device Drivers

Step 1 - Download Your Driver

To get the Realtek RTL8139C+ Fast Ethernet NIC driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Cypress Semiconductor Realtek RTL8139C+ Fast Ethernet NIC into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for Cypress Semiconductor Realtek RTL8139C+ Fast Ethernet NIC. It is a software utility which automatically finds and downloads the right driver.

Step 2 - Install Your Driver

1. Open a tool called Device Manager.

2. Use Device Manager to put the new driver on your computer.

3. Turn your computer off.

4. Turn your computer back on.

Now your new driver is ready!

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.