How do I see what packages are installed in Terminal? Open the Terminal.app (Utilities/Terminal.app) and copy and paste this command: How to check what’s been installed on your mac How do I check if terminal is installed on Mac? The typical path is normally in Windows 32-bit is C:/Program Files and in Windows 64-bit is C:/Program Files and C:/Program Files(x86). In Windows 10/8/7 OS, by default, software gets installed on your System Drive, usually C drive, in the Program Files folder.