From the Finder, hit Command+K or pull down the “Go” menu and bring up Connect To Server.

Connect to the Remote Mac Screen (as client)

With sharing enabled on the server Mac, now a connection can be made from the client Mac (or PC). Make a note of the Macs IP address, that is what you will be connecting to.Set access as necessary by choosing “Administrators” or specifying a specific user that can remotely control the Mac.Check the box next to “Screen Sharing” to enable the feature on the Mac you want to share.Open System Preferences from the  Apple menu and click on “Sharing”.Enable Screen Sharing on the Mac whose Screen will be shared (as server) We’ll break this walkthrough into two parts, one for setting up the “server” and one for connecting to those servers with a “client”. To make things easy, the Mac screen being shared will be called the “server” and the other Mac connecting to it will be called the “client”.

How to Set Up & Use Screen Sharing in Mac OS X Screen Sharing is extremely easy to setup, follow along or watch the video below for a quick demonstration. Screen Sharing will work across just about any supported Mac OS X versions too, a Mac running macOS Big Sur, macOS Catalina, macOS Mojave, MacOS High Sierra, Mac OS Sierra, OS X El Capitan, Yosemite, Mountain Lion, Mavericks, and anything newer, can connect to a work Mac running Snow Leopard, and so on.

How to remote into a mac from a mac