Right-click the Start button > Device Manager .
If you saw a review claiming this webcam has: Right-click the Start button > Device Manager
Most webcams in this category offer 2MP to 5MP sensors (1080p to 4K). "Megapixel" on the label often suggests at least 3MP (2048x1536). However, without the proper driver, Windows 10 will default to low-resolution VGA (640x480). without the proper driver
If Windows cannot find the driver, you can identify the exact manufacturer using its Hardware ID: Right-click the Start button > Device Manager