We encourage you to check out our full guide for details, but in short you have a few options: Instead, you’ll have to rely on a few workarounds.
Unfortunately, there’s no equally simple, built-in way to change your sign in screen background in Windows 8 and 10. RELATED: How to Change the Login Screen Background on Windows 10 Windows 8 and Windows 10 make customizing your lock screen easy-all you have to do is head to Settings > Personalization > Lock Screen. The screens look slightly different in Windows 8 than they do in Windows 10, but they’re the same settings. RELATED: How to Customize the Lock Screen on Windows 8 or 10
RELATED: How to Add a PIN to Your Account in Windows 10 Windows 8 and 10 Users: Set Custom Lock Screen and Sign In Backgrounds
In Windows 7, there’s only one sign in screen and you’ll have to enable a custom background for it in the Registry (or through Group Policy) before you can select a new background. You can change the lock screen background through a simple setting, but you’ll have to dive into the Registry to change the sign in screen background. The second is the sign in screen itself where you enter your password, PIN, or picture password. The first is the lock screen-the one you have to click or swipe to get out of the way so you can sign in. In Windows 8 and 10, you actually see two different screens at sign in.
