Select text or an image: With your pointer, select the text or image you want to copy.
Copy text or an image: Press Command-C or choose Edit > Copy from the menu bar.
Paste text or an image: Move your pointer where you want to paste the text or image, then press Command-V, or choose Edit > Paste from the menu bar.
To find additional gestures that allow you to copy and paste, see Format text in documents with fonts on Mac