After using Windows 7 for an extended period, you might feel bored with the login screen. While there are various software options for changing the login screen wallpaper, Windows 7 itself provides a way to do it without additional tools.
Step 1: Enable the login screen customization feature.
- Select Start, type regedit in the search bar, and choose regedit.exe.

Alternatively, press the Windows + R keys, then enter regedit and select OK to open the Registry Editor interface.

- In the Registry Editor interface, locate the OEMBackground keyword following this path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\LogonUI\Background.

- Double-click on the OEMBackground key, change the value in Value data to 1, and press OK.

- Next, select Start, type gpedit.msc, and choose gpedit.msc.

Or you can type gpedit.msc in the Run dialog box.
- In the Local Group Policy Editor, navigate to: Computer Configuration\Administrative Templates\System\Logon.

- Double-click on Always use custom logon background, set the mode to Enabled, click Apply, and then OK.

Restart your computer.
Step 2: Set up the login background.
- Navigate to the oobe folder at C:\Windows\System32\oobe, create a folder named info, and within the info folder, create a subfolder called backgrounds.

- Choose an image for the login background with dimensions suitable for your screen resolution. The file size should not exceed 256KB, and name it backgroundDefault.jpg. Copy this image into the backgrounds folder you just created.

You can restart to see the changes (or use the Windows + L key combination).
Change the Windows 7 login background to create beautiful wallpapers, making them your login screen background to avoid feeling bored with the default, mundane Windows 7 wallpaper.
