Desktop

Details:

DE: KDE Plasma
Global Theme: Canta-KDE (https://github.com/vinceliuice/canta-kde)
Icon Theme: Tela Manjaro (https://github.com/vinceliuice/tela-icon-theme)
Font: Noto Sans, Cascadia Code PL
Wallpaper: find in wallpapers
Panel and Dock: Latte Dock
Widgets: Weather Report, Network Speed, Color Picker, Better Inline Clock, ClearClock (on Wallpaper).

Resources:

Find Latte Dock configuration here.

In case want something light:

Use cherry theme with default panel instead: