Do one of the following:
Hold down the Control key and click a link or bookmark. Then choose “Open Link in New Window” or “Open Link in New Tab” from the shortcut menu.
Choose File > New Window or File > New Tab, and then type the page’s address in the address field.
Hold down the Command key and click a link or bookmark. Depending on how you’ve set up tabbed browsing, the webpage will open in a new tab, or in a new window.
To change how tabbed browsing works, choose Safari > Preferences, and then click Tabs.