TOTAL NOOB - how do i use applescripts?

Hello,

Im noob. How do i use applescripts, where do I install/place applescript files?

Any info will do

Welcome!
You don’t need to install them anywhere. If you’re clicking a link off of this site or writing your own, click the Run button on the editor. If you’ve saved a script as an application, simply double-click it and it will work.

And read Craig Smith’s tutorials to get you started:

AppleScript Tutorial for Beginners I - Getting Started & Script Editor
AppleScript Tutorial for Beginners II - Variables and Dictionaries
AppleScript Tutorial for Beginners III - The Power of Lists
AppleScript Tutorial for Beginners IV - Records & Repeats
AppleScript Tutorial for Beginners V - Testing & Shorthand
AppleScript Tutorial for Beginners VI - User Interaction
AppleScript Tutorial for Beginners VII - Errors
AppleScript Tutorial for Beginners VIII - Getting the Drop on Droplets