There are drivers for the following operating systems for E9550:
Windows 10 – 64-Bit Edition
Windows 8.1 – 32-Bit Edition
Windows 8.1 – 64-Bit Edition
Windows 8 – 32-Bit Edition
Windows 8 – 64-Bit Edition
Windows 7 – 32-Bit Edition
Windows 7 – 64-Bit Edition
Linux x86_64
These may be amended (added/removed) based on support given by AMD.