Additional infos:
Switch from Windows iOS - how to use GNU/Linux:
Please have a look at the ARCH-Wiki (to learn about ARCH/manjaro)
And there is also a small manjaro Wiki
If you are eager to learn, also use: 
in the forum
PS Please note:
- iOS doesn’t require much maintenance (because you paid for it)
- LINUX/Manjaro is free, but needs maintenance. And if you tinker with it you need to understand what you are doing.