Windows will use the Internet to extract images from Bing and then put different images on your lock screen. It’s easy to enable as well and you can just follow the given steps to enable it.
To ensure this isn't the case, make sure all the device drivers are fully updated to the latest ... Windows Update crashes ...
There may be plenty of reasons, why your Windows 11/10 machine is not fetching new wallpaper from Bing ... on the lock screen. Otherwise, it won’t be able to grab the image from the repository.