Here are the instructions to install the donator version:
You can open any of the conversion logs an look for Comskip, there you’ll find a the bottom where MCEbuddy identifies the version (free or donator).
→ Checking for donator version of Comskip
INFORMATION> → Comskip version : FREE
or
INFORMATION> → Comskip version : Donator
The speed increases will be significant if you’re using H.264 (MPEG4) or WTV files. For MPEG2 it’ll be small to modest depending on the codec configuration.