Sinfar has its own client extender called SinfarX. It pushes many limits of the base game, add features and fixes bugs. It is available for NWN Diamond on Windows and Linux and NWN:EE v8181 on Windows.

1. 1) Download sinfarx.exe and save it in your NWN folder. (Alternatively, if you can't download .exe files, here's the zip archive of it: https://nwn.sinfar.net/files/sinfarx.zip)
2. 2) Run sinfarx.exe to start NWN
3. 3) When it asks you to update the plugin, click “yes”.