Use a Laptop as a Monitor with HDMI

Use Laptop as Second Monitor Wirelessly

How Do I Use A Laptop As A Monitor?

How to Connect Two Monitors to a Laptop

My laptop has 2.0b hdmi port, so in order to connect two monitors I need a hdmi adapter splitter. Does the adapter also have to be 2.0b compatible or 2.0 works just

How to use a laptop as a monitor

How to Use 3 Multiple Screens On Your Laptop or PC

Connect two laptops via HDMI to get a second screen for your primary laptop (Windows or Mac)

USB-C and HDMI ports on your Samsung monitor

How to Close Your Laptop and Use an External Monitor