How to replace Win10 lock screen wallpaper?

Note: This method needs to modify the registry. It is recommended to create a restore point for your system before the operation to restore it when an error occurs.
1, first prepare a picture that you want to use as the default lock screen wallpaper. These images can be used if you are using the focus lock screen feature. Using the landscaping master in the soft media cube, you can extract all the downloaded files from the local machine with one click. “Windows Focus” wallpaper!
2, press Win+R to open the run, enter regedit and press Enter to open the registry editor;
3, expand the following location:
HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows
Create a new item named Personalization in this location, as shown below:

4, click on the new item, create a new character named LockScreenImage on the right side. The string value, as shown in the figure below, represents the path to the default lock screen wallpaper.

5, double-click the new value, modify its value to the full path of the image you want to display, as shown below:

The default lock screen wallpaper will become your designated The picture is taken, while the custom lock screen wallpaper will not be affected.

▲Customized default lock screen wallpaper