Most plugins are stock, but if there is any other plugins used other then stock there will be a disclaimer.

Use WinRAR to extract to folder then drag the preset onto the mixer track of choice.

85% of preset shown on the website has been previewed on YouTube @cxhset make sure to go check if the preset you want is up on YouTube if you want a demo of the sound.

All presets on this website are made for FL Studio.

No, all sales are final you have full freedom to hear what the presets sound like before purchasing.