Yes, MT Power Drum Kit 2 is 100% functional for free. However, it operates on a "Donationware" model.
Move the .dll or .vst3 file to your computer’s designated plugin folder (usually C:\Program Files\Common Files\VST3 on Windows or /Library/Audio/Plug-Ins/Components on Mac).
One of its best features is the massive MIDI groove library. It contains thousands of rhythms and fills that you can audition inside the plugin and then drag-and-drop directly into your DAW timeline.
The MT Power Drum Kit 2 is a "must-have" for any producer on a budget. It bridges the gap between complicated, expensive drum suites and the basic stock sounds found in most DAWs.