How to Record an App Window with MiniTool Screen Recorder
MiniTool Screen RecorderClick to Download100%Clean & Safe
First, please click the button above to download and install MiniTool Screen Recorder on your computer. Then, follow the detailed steps below to record a window with MiniTool Screen Recorder.
1. Open the app window that you want to record.
2. Launch MiniTool Screen Recorder to open the main interface. Then, expand the Full Screen option. Next, choose the Window option.

3. After selecting the window recording mode, a Select a window to record dialog will appear, displaying the available application windows. Click the thumbnail of the window you want to capture to select it.

Alternatively, you can click an application icon at the bottom of the dialog to select its corresponding window.

4. System audio and microphone recording are enabled by default. If you want to record both your computer's sound and input audio, you can keep the default settings. Otherwise, click the corresponding icon on the floating toolbar to turn off the audio source you don't need.

5. Next, you can click the REC button on the right side of the floating toolbar or press the F6 key to start recording the content of the window.

6. To end the recording process, press the F6 key again. Then, MiniTool Screen Recorder will automatically switch to the Video list section. Next, you can click the Play icon to view the recorded video or click the Folder icon to locate it.

Bottom Line
MiniTool Screen Recorder makes it easy to record app window. You can also use it to record gameplay or other on-screen activities.