Some people say Windows 10 light mode is easier on their eyes others say dark mode is more comfortable. Here are the easy steps to switch.
Dark Mode - Light Mode
Light Mode Taskbar
Dark mode taskbar
1 . Click Start
2 . Click Settings
3 . Click Personalisation
4 . Click Colours
5 . In the Choose your colour box, select your choice Dark / Light / Custom
The Custom option allows you to choose dark or light mode separately for Apps and Windows