Right-click the installer executable ( PL2303_Prolific_DriverInstaller.exe ) and select .
Click to install. The yellow warning icon should disappear immediately.
Windows 11 introduces stricter driver signing requirements and utilizes a different driver library for Prolific chipsets compared to Windows 7 or XP.
Download G Star IV GPS Driver for Windows 11 - BU-353S4
Before we dive into the driver drama, let's appreciate the hardware. The BU-353S4 is powered by the chipset (often called the "G Star IV" in driver packages). Unlike your phone, which cheats by using cell towers and Wi-Fi, this device is a purist. It speaks only to satellites.
If you own a GPS receiver (often referred to as “G Star IV” due to its SiRF Star IV chipset), you need the correct driver to make it work on Windows 11 . While Windows 11 includes basic support for many USB GPS devices, the BU-353S4 works best with the proper prolific USB-to-serial driver .
It is crucial to use the official GlobalSat drivers to ensure stability. The official driver for the BU-353S4 is the Prolific PL-2303 series driver.
Do not use unknown third-party executables without verifying source and signature.
A reliable, updated PL2303 Prolific driver installer that works on most Windows 11 machines.
By manually controlling which Prolific driver version Windows 11 utilizes, you can bypass modern operating system restrictions and extend the life of your highly accurate G-Star IV BU-353S4 GPS receiver for years to come.
