“As a Windows user, it’s a very surreal way to install a program.”

Mac’s operating system has a peculiar way to install apps. An app typically arrives in a file with a .dmg extension (it stands for “disk image”; my brain always reads it as “damage”), which upon double clicking becomes a kind of a drive. You go inside the drive, and there is the app icon. But the journey isn’t over. While you can run the app from the virtual drive, the drive will eventually…