Press Windows + G to open Xbox Game Bar
Click the Capture widget
Click the Record button
Press Windows + Alt + R to start or stop recording
Find saved recordings in Videos > Captures
Use Snipping Tool screen recording if available on your Dell
Open Snipping Tool
Select Record
Choose the area to record
Click Start
Click Stop when finished
Use OBS Studio if you want advanced recording options
Install OBS Studio
Add a Display Capture source
Click Start Recording
Click Stop Recording when finished