The best way to do this on a Mac is to use the built-in screenshot tool. You can find it in the Utilities folder of your Applications folder.Once you open it, you’ll see a crosshair on your screen. Just click and drag across the area of the screen you want to capture and release. The screenshot will appear in your Finder window, and then you can save it as a file or copy it to your clipboard.

Yes, you can. There are many programs that allow you to edit screenshots on Mac. The most popular ones are Skitch and Preview.

You can use a screenshot to capture your screen, then use an app like Snagit to edit it.

A lot of people use the app Sketchbook, which is free to download.

The markup tool is not on a Mac.

Yes, you can edit a screenshot. You can do this by using a photo editing program such as Photoshop.

If you are using MacOS, you can use the built-in screenshot utility to edit your screenshots. If you are using Windows, you will need to find a third party screenshot app that is compatible with your operating system.

Click on the picture you want to editClick on the Edit buttonClick on the Adjustments tabClick on Curves or Levels depending on what you want to do