iPhone Pro Max users can take screenshots with the help of a dedicated screenshot button on the main screen. However, there are a few things that you need to know in order to take a screenshot on iPhone Pro Max. First, make sure that your iPhone is turned off and your computer is connected to the internet. Second, open up your Photos app and click on the screenshot button. Third, hold down the power button and wait for the iPhone to boot up. Fourth, open up your camera app and take a screenshot of whatever you want to capture. Fifth, save the screenshot to your computer using any file manager or online storage service. Sixth, share the screenshot with other iOS users by email or social media.