Once released, the 3.50 system update — featuring RemotePlay — turns your PC into a highly-portable (for laptop users) second screen that allows you to play your PS4 titles anywhere you can take your laptop.
Of course, that’s assuming your PC meets Sony’s requirements, which isn’t all that difficult:
Remote Play on PC / Mac is compatible with the following system software:
Windows 10 or later
OS X 10.10
OS X 10.11
You’ll be able to select from the following resolution and frame rate options, depending on your Internet bandwidth.