How to Enable Dark Theme on Windows 10 Version 1903?br br Step 1: Click on the 'Search box' in the Taskbar.br br Step 2: Type 'Settings', and then click on 'settings' app to open it.br br Step 3: Click on 'Personalization'.br br Step 4: Click on 'colors'.br br Step 5: Click on the dropdown under 'choose your color', and then click on 'Dark'.