Microsoft has released a new pack of free wallpapers with a Halloween theme.
Simply titled Dogs in Disguise, the description of the high-quality wallpaper selection reads as follows:
How do you turn a puppy into a lion? Try to pick a favorite pup from these 15 premium 4k images, free for Windows Themes.
After downloading the collection, go to Start > Settings > Personalization > Themes and click on the theme you prefer.
To apply and change to the most appropriate colour, based on the current wallpaper, go to Customize > Colors > Automatically select a primary colour from the background.
Find the collection in the Microsoft Store here.