What can FL Studio do?
    Audio editing and manipulation including pitch correction, pitch shifting, harmonization, time-stretching, beat-detection & slicing, audio warping and standard audio manipulation (cut/paste etc).
    Automate most interface and all plugin parameters by recording, drawing, and using spline-based automation curves or automation generators with formula-based control of links.
    Be hosted in other DAWs as a VST or connected through ReWire.
    Live music performance including video effect visualization.
    Mix and remix audio, including application of real-time audio effects such as delay, reverb & filtering.
    Multi-track audio recording.
    Record & play MIDI input recording from keyboards, drum pads and controllers.
    Sequencing and arranging.
    Synthesizer & effect plugin hosting (VST 32 & 64 bit, DX and FL Native format)

You should consider that this is PB - PublicBeta version. If you want to use stable version, use non beta release instead.

UNLOCK NOTE :
Unlocked internal registration routine in the FLEngine.dll. Also, included patched plugins which have thier own protection. You can use all included plugins as a result.

Also, beta expiration (on 01 December 2012) is removed.