Here are a few of the main differents you will notice when switching from one OS to the other and how to get around them.
Scroll, swipe, click
Settings for scroll direction, swipe gestures, and button assignments are also in Mouse and Trackpad preferences.
Close & resize windows
Buttons for closing, minimizing, and maximizing a window are in the upper-left corner of the window.
Use the volume control in the menu bar, or use the volume keys on your Apple keyboard.
Change Mac settings
Looking for the Control Panel? Use System Preferences instead.
Use Spotlight to quickly find and open apps, documents, and other files.
Browse for files
Looking for Windows File Explorer? Learn about the Finder.
Throw files away
Looking for the Recycle Bin? Use the Trash, which is in the Dock.
Click the file once to select it, then press the Return key and type a new name. Press Return when done.
Preview most files on your Mac using Quick Look. Click the file once to select it, then press Space bar.
Back up files
Time Machine keeps a copy of all your files, and it remembers how your system looked on any given day.
Many Mac keyboard combinations use the Command (⌘) key. Learn more keys and keyboard shortcuts
Force quit app