To make a screenshot on most phones, use the key combination "Power + Volume Decrease". For a brief moment, you could even use Google Now on Tap to take screenshots without these hardware buttons. However, Google Assistant has finally removed the functionality. Now there are simpler screenshots with Android 9.0 Pie.
Yes, you can still use the combination of power + volume down to make a screenshot like on Android, but it seems a lot slower than it should be and, if you're like me, it's not easy every single time trigger. Luckily you only have to open the Power menu in Android Pie and tap on "Screenshot". Yes, it is that simple.
For a more detailed explanation, press and hold the power button until the power menu appears, and then tap the "Screenshot" option. If you do this, the power menu will disappear and the screenshot will be created. Then you will receive the notification "Screenshot saved" as usual, which now includes an option to edit the screenshot immediately. So, while Google replaced the Google Now software shortcut for screenshots with the Google Assistant, these included a similar shortcut feature in Android Pie to fill the hole, and I have to tell you … I never use those again Power + volume key combination (unless of course it's a screenshot of the actual power menu to take