1. App Cleaner : Use to uninstall others software!
(www.freemacsoft.net/appcleaner/)
2. The Unarchiver: Use to unzip files (rar, zip,…)
(In AppStore)
3. Windows things:
Skypes, keyboard, office
JDK path:
/Library/Java/JavaVirtualMachines/jdk1.8.0_91.jdk/Contents/Home
Gesture: Mastering trackpad.
Shortcut key:
[cmd] + [,] : Find preferences
[cmd] + [shift] + [3] : screen shot
[cmd] + [w] : close current window
[cmd] + [q] : quit current program
[cmd] + [o] : open
[cmd] + [space] : open spotlight