Apple’s GarageBand is for years now one of the most user-friendly music production entry level software solutions. It’s available for free, updated regular and includes top notch features for every easy start in the music production.The only obstacle in the perfect solution is the Mac. Unfortunately, GarageBand doesn’t exist on Windows but only on Mac. If you are mac and a music beginner than check out absolutely GarageBand on your MacBook or iMac.
Apple released last week a new update with new features, new sound content and bug fixes. 
What’s New in Version 10.2
- New modern design with improved ease to use
- Adds Touch Bar support to quickly navigate around your project and perform instruments
- 3 new Drummers who play percussion in the styles of Pop, Songwriter, and Latin
- Introduces new Drummer loops which can be added to your song and then customized with performance controls
- Remotely add new tracks to your project using GarageBand on your iPhone or iPad.
Available here: Apple GarageBand
System requirements?
Just checked. 10.1.1 or later.