iPad Pro as second monitor
How do I set up iPad Pro on Sidecar as second monitor?
iPad, iOS 9
Apple Intelligence is now available on iPhone, iPad, and Mac!
How do I set up iPad Pro on Sidecar as second monitor?
iPad, iOS 9
See >>> Use your iPad as a second display for your Mac with Sidecar – Apple Support
An alternative third-party product, Duet, can be used to extend a PC or Mac to an iPad:
I believe this link should help:
iPad Pro as second monitor