For most users, the easiest method is using the AMD Auto-Detect and Install Tool . This utility scans your hardware and operating system to provide the correct legacy driver automatically.
Understanding your hardware helps in troubleshooting performance issues: A8-5550M with Radeon™ HD 8550G Drivers and Downloads amd a8-5550m apu with radeon(tm) hd graphics driver download
If you prefer manual installation, navigate to the specific AMD A8-5550M Driver Page and select your OS: For most users, the easiest method is using