How to get wallpapers from Windows 10 Lock Screen Procedure-
- View > Show hidden files
- Go to Local Disk C > Search: 'microsoft.windows.contentdeliverymanager'
- Wait for 2 folders to appear in the results. Select folder with ..\Local\Packages.
- LocalState > Assets; copy-paste all the contents in a different folder.
- Rename the files to jpg to view the wallpaper.
- Enjoy! ^_^