Even though Windows auto-adjusts the scale to make text and windows larger on the HDTV, you may need to tweak it because sliding windows to a different screen may alter its size, which is not always beneficial. When you use multiple monitors and extend your screen, the scaling may differ, such as a default 1080P screen and a 4K HDTV. Using Windows 10 Preset Display Scaling for Two or More Monitors
Click on the “Start Menu,” then choose “Settings.”.Windows 10 preset scaling includes three options.
Scaling allows your primary monitor to show enlarged text, images, and icons for better viewing experiences. How to Use Windows 10 Preset Scaling on One Screen
