Connect the TV to your PC with a high-quality HDMI cable
Set the TV to its HDR picture mode
Turn off extra picture processing on the TV
Set the TV to the correct HDMI input mode for HDR/4K
In Windows, turn on HDR in Display settings
Open the Windows HDR Calibration app
Select the correct TV display
Calibrate minimum luminance
Calibrate maximum luminance
Calibrate maximum full-screen luminance
Calibrate color saturation
Save the calibration profile
Enable the created HDR profile in Windows
Recheck HDR playback on the TV
Fine-tune TV settings if needed
Repeat calibration after major TV setting changes