Open regedit.exe,
go to Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize and set both AppsUseLightTheme & SystemUsesLightTheme DWORDs to 0.
Alternatively, download and save the windows-dark-mode.reg file below as a .reg file and run it.
Source: https://old.reddit.com/r/Windows11/comments/o1l55u/how_do_i_enable_dark_mode_on_windows_11/h21f69b/
| <?php | |
| /** | |
| * Add/update a reverse DNS record by providing an IP and FQDN. | |
| * | |
| * This assumes the SoftLayer API PHP client | |
| * <http://github.com/softlayer/softlayer-api-php-client> is installed in the | |
| * directory '/SoftLayer' in this script's path and that you wish to use the | |
| * SOAP client instead of our XML-RPC client. | |
| * | |
| * @see http://sldn.softlayer.com/wiki/index.php/SoftLayer_Network_Subnet |