These settings should restore the original light theme appearance prior to installing Windows 10 1903. Choose your default Windows mode: Dark.Then, change the options according to the following: If you are looking to switch or change the theme color back to how it was before updating to 1903, follow the same steps above to open the Colors settings. Under Choose your color, select Light using the drop-down menu.Īs soon as you select the Light option for the setting, the light theme will apply to all visual elements in Windows 11/10.Optionally, you can access to Personalize from Settings.To enable light theme in Windows 10/11 or to switch between light or dark mode/theme, follow the instructions below.