DirectX Diagnostics(DxDiag, for short) is a diagnostic tool used for testing DirectX video and audio components. DxDiag can export very detailed hardware information to a TXT file, which can be useful for later system diagnostics. Here are the steps to open it:
Step 1. Press Win + R on your keyboard and type in ‘dxdiag’.
Step 2. To save all the data to a TXT file for later use, click the ‘Save All Information’ button and choose location where the TXT file shall be saved!
That’s it! Now you can store the file for later use or just explore DxDiag interface.