A4 Tech is a Taiwanese computer peripherals company founded in 1987 by CEO Robert Cheng. Most of the company’s products are geared towards gaming enthusiasts, such as mice, keyboards, and webcams. In 2011, A4 launched a subsidiary brand called Bloody Gaming, which focuses on gaming products. Some of the most popular A4 products today include the G3-200N wireless mouse, the KL-7MUU multimedia keyboard, and the PK-900H HD webcam. Some popular Bloody products include the B975 Light Strike Libra optical keyboard, and the SP30 Signature Pro Optical Switch Gaming Mouse.
Tech Tip: Updating drivers manually requires some computer skills and patience. A faster and easier option is to use the Driver Update Utility for A4 Tech to scan your system for free. The utility tells you which specific drivers are out-of-date for all of your devices.
To get the latest driver, including Windows 10 drivers, you can choose from a list of most popular A4 Tech downloads. Click the download button next to the matching model name. After you complete your download, move on to Step 2.
If your driver is not listed and you know the model name or number of your A4 Tech device, you can use it to search our driver archive for your A4 Tech device model. Simply type the model name and/or number into the search box and click the Search button. You may see different versions in the results. Choose the best match for your PC and operating system.
If you don’t know the model name or number, you can start to narrow your search down by choosing which category of A4 Tech device you have (such as Printer, Scanner, Video, Network, etc.). Start by selecting the correct category from our list of A4 Tech Device Drivers by Category.
Need more help finding the right driver? You can request a driver and we will find it for you. We employ a team from around the world. They add hundreds of new drivers to our site every day.
Tech Tip: If you are having trouble deciding which is the right driver, try the Driver Update Utility for A4 Tech. It is a software utility that will find the right driver for you - automatically.
A4 Tech updates their drivers regularly. To get the latest Windows 10 driver, you may need to go to A4 Tech website to find the driver for to your specific Windows version and device model.
After you download your new driver, then you have to install it. To install a driver in Windows, you will need to use a built-in utility called Device Manager. It allows you to see all of the devices recognized by your system, and the drivers associated with them.
In Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
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 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order for the driver update to take effect.
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.
If you are having trouble installing your driver, you should use the Driver Update Utility for A4 Tech. It is a software utility that automatically finds, downloads and installs the right driver for your system. You can even backup your drivers before making any changes, and revert back in case there were any problems.
Try it now to safely update all of your drivers in just a few clicks. Once you download and run the utility, it will scan for out-of-date or missing drivers:
When the scan is complete, the driver update utility will display a results page showing which drivers are missing or out-of-date. You can update individual drivers, or all of the necessary drivers with one click.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.
|A4 Tech Driver Update Utility||DriverFinderInstall.exe||269 KB||267,742||Free Download >>|
|A4 TECH USB2.0 PC Camera J Driver||A4_TECH_USB2.0... ver.zip||3.3 MB||181,334||Free Download >>|
|A4 Tech USB Port Mouse Driver||A4_Tech_USB_Po... ver.zip||1.3 MB||184,107||Free Download >>|
|PK-635M Driver||camera-a-driver.zip||18.0 MB||8,063||Free Download >>|
|PK-333MB Driver||camera-b-driver.zip||13.1 MB||2,645||Free Download >>|
|PK-336MB Driver||camera-b-driver.zip||13.1 MB||3,763||Free Download >>|
|PK-635 Driver||PK-635.zip||2.3 MB||11,293||Free Download >>|
|PK-835 Driver||camera-a-driver.zip||18.0 MB||1,782||Free Download >>|
|PK-5 Driver||camera-a-driver.zip||18.0 MB||1,661||Free Download >>|
|PK-335MB Driver||camera-b-driver.zip||13.1 MB||2,833||Free Download >>|
|PK-35N Driver||camera-a-driver.zip||18.0 MB||982||Free Download >>|
|PK-333E Driver||A4_IM_Magician.rar||31.7 MB||1,472||Free Download >>|
|PK-635K Driver||n/a||A4_20PC_20Camera_20K.rar||7.9 MB||1,245||Free Download >>|
|PK-935 Driver||camera-a-driver.zip||18.0 MB||3,489||Free Download >>|
|PK-7MA Driver||n/a||CameraA.zip||51.2 MB||472||Free Download >>|
|A4 TECH PC Camera H Driver||A4_pc_cameraH.zip||21.0 MB||23,090||Free Download >>|
|A4 Tech USB PC Camera Driver||Driver-Pk365M.zip||2.0 MB||11,250||Free Download >>|
|PK-760MB Driver||n/a||CameraB.zip||44.5 MB||177||Free Download >>|
|PK-7MAR Driver||n/a||CameraA.zip||51.2 MB||529||Free Download >>|
|PK-636MA Driver||n/a||CameraA.zip||51.2 MB||624||Free Download >>|
|PK-336MB Driver||n/a||CameraB.zip||44.5 MB||191||Free Download >>|
|ICatch (VI) PC Camera Driver||PK-510.zip||1.1 MB||2,053||Free Download >>|
|BW-5 Driver||n/a||iOutlookworks_... W-5.zip||2.9 MB||56||Free Download >>|
|KBS-28MU / KB-28 Driver||K28A772_KBS-28MU.zip||1.3 MB||493||Free Download >>|
|A4 Tech USB2.0 PC Camera G Driver||n/a||pk-130_for_64b... ver.zip||19.8 MB||488||Free Download >>|
|A4 TECH PC Camera H Driver||CameraA.zip||51.2 MB||1,053||Free Download >>|
|PK-760E Driver||A4_IM_Magician.rar||31.7 MB||372||Free Download >>|
|PK-130MG Driver||CameraG.zip||51.7 MB||1,029||Free Download >>|
|A4Tech Optical Mouse 3D Driver||A4Tech_Optical... ver.zip||1.5 MB||17,439||Free Download >>|
|A4 Tech USB PC Camera Driver||A4_Tech_USB_PC... ver.zip||2.5 MB||121,448||Free Download >>|
|A4 Tech PK 635M Driver||A4_Tech_PK_635... ver.zip||2.0 MB||189,049||Free Download >>|
|A4 TECH USB2.0 PC Camera J Driver||A4_TECH_USB2.0... ver.zip||4.5 MB||161,340||Free Download >>|
|A4 Tech PC Camera H Driver||A4_Tech_PC_Cam... ver.zip||1.2 MB||140,617||Free Download >>|
|A4 Tech USB Port Mouse Driver||A4_Tech_USB_Po... ver.zip||5.2 MB||181,294||Free Download >>|