: You will need Wallpaper Engine installed via Steam. Search for "Winter Wonder" by Galahad in the Workshop to find the version with falling snow and Halo-themed effects .
: If you prefer a static background, many high-resolution "Winter Wonder" landscapes are available on sites like Wallpapers.com and Wallpaper Abyss. Winter Wonder [1920 x 1080]
If you are looking to set up this specific aesthetic, here is how you can get started: : You will need Wallpaper Engine installed via Steam