If you bought Windows 10 Home, Professional, or Upgrade to Pro in the Windows 10 Store app, you'll receive a digital license instead of a product key. You can use the digital license for activation. If your product key is scratched, blurred, or otherwise unusable, contact the retailer who sold you the product. Surface Pro 4 also features an infrared (IR) face-detection camera so you can sign in to Windows without typing a password. For more info, see Windows Hello. For more camera info, see: Take photos and videos with Surface. Autofocus on Surface 3 and Surface Pro 4. Work, play, watch, listen. Flip out the degree-angle kickstand and work or.
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