Make sure your GPU drivers (Intel, AMD, or NVIDIA) are updated to their final Windows 7 versions to avoid "Pixel Format Not Accelerated" errors.
on Windows 7, you are likely looking for either the Opticraft Optimization Modpack for Minecraft 1.12.2 or seeking to connect to the long-standing Opticraft Multiplayer Server opticraft minecraft windows 7 full
: Originally hosted on SourceForge , this is a lightweight, Python-based server for Classic Minecraft multiplayer. It is designed for ease of use and low system resource consumption, making it ideal for older hardware. Make sure your GPU drivers (Intel, AMD, or