Force quit an app that has stopped responding
The Mac equivalent of Ctrl+Alt+Delete for a single frozen app.
Tips tagged #from-windows
Install and uninstall apps that are not in the App Store
There is no installer wizard: you drag the app into a folder, and you delete it by dragging it out.
The menu bar belongs to the app, not the window
On a Mac the menus live at the top of the screen and always belong to whichever app you are using.
Switch between open apps with the keyboard
The Mac equivalent of Alt+Tab switches apps, not windows — which is why it sometimes seems to skip things.
Set up right-click and tap-to-click on the trackpad
There is no second button, but there is a right click — and you can stop physically pressing the trackpad down.