[header] How to record using windows sound recorder [title] Use a built in microphone. [step] If you have a laptop, there is a chance it comes with a microphone embedded onto the computer. Check around the laptop on the screen or around the speakers for the built-in microphone device. 
[substeps] This is useful for recording audio quickly and without using an external device. The microphone may not provide the audio quality you would prefer and it may pick up other sounds such as the laptop's speakers or from the laptop's fan.