Note: The following step-by-step guide is shown based on Windows version. If you're using a Mac, you can download the Mac version and do it similarly.
Take A Screenshot on Android Device Easily
The main window like the screenshot below will be shown after installing and launching the program.
Note: Android Transfer is fully compatible of Android devices with Android 2.0 or higher version. You can check this list to learn more about supported models.
Step 1 Connect the Android device to the computer
For Windows users, you can use either USB cable or Wi-Fi to connect your Android devices to the computer. For Mac user, you can only connect via USB cable. Your device will be shown as soon as detected by the software.
Step 2 Take screenshots on Android
The "Screenshot" button is right in the middle of the main window. When you are sure that the screen on your Android device is switched to the one you want, all you need to do is simply clicking the "Screenshot" button. The file browser window will pops up for you to locate the saving path for the screenshots. By default, the screenshots will be saved in PNG format.
If you want to take more screenshots from different displays, just switch the image you to save. Then, click the refresh next to "Screenshot" in order to fresh the screen in the primary window. You can click the "Screenshot" again to take more screenshots.
That's all you have to do to take some screenshots on your Android device. Two simple steps give you a desired screenshot. Android Transfer would be your best choice on screenshotting.
Download it and have a try.