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Currently I use WIN+A, then click on Night Light.

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How I enable/disable Night Light with a single keyboard shortcut in Windows 10?

Franck Dernoncourt
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  • It doesn't seem to be possible, but you can set a schedule for it. – DavidPostill Oct 16 '22 at 20:06
  • Voted to reopen, there could be solutions not using the registry, e.g. with Autohotkey or Sikuli. – Franck Dernoncourt Oct 18 '22 at 19:07
  • This got marked as a duplicate, **since you accepted an answer**, that was also an answer to the duplicate. – Ramhound Oct 19 '22 at 05:00
  • @Ramhound I accepted the answer after the question got closed, because other answers couldn't be added. – Franck Dernoncourt Oct 19 '22 at 05:22
  • @FranckDernoncourt - You don't have to accept an answer. By **accepting** the near duplicate answer that already exists, you single to the community the duplicate **DOES** answer your question. You can take this as feedback. It does not matter, I personal, already voted to keep your question closed when it appeared in the queue for the exact reason I describe – Ramhound Oct 19 '22 at 05:43
  • @Ramhound answers aren't only for the OP, but any reader – Franck Dernoncourt Oct 19 '22 at 05:46
  • @FranckDernoncourt - If anything the answer you received should have been submitted as an answer to the existing question that was asked 5 years ago. – Ramhound Oct 19 '22 at 06:15

1 Answers1

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You can make 2 Registry files, one to turn Night light on, the other to shut it. However, it will take two key presses: one to call the shortcut you make to either script, the other, AltY, to accept the UAC prompt.

Export the following two keys in both states, ON and OFF:

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Current\default$windows.data.bluelightreduction.bluelightreductionstate

and

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Current\default$windows.data.bluelightreduction.settings

Combine the .reg files for the two keys, i.e., into one file for ON and one for OFF.

Create shortcuts to the two .reg files.

DrMoishe Pippik
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