This tutorial can help you to turn off your lock screen animations for your Windows 10 device with just a few easy steps. Whether you are looking to get rid of the animations to improve screen performance, or just to change it to a solid picture or color, just follow the simple steps as shown below:
Press the Windows key on your keyboard, and then click on the Settings icon.
Click on the Lock Screen tab.
Select the dropdown under the Background section.
Change the background
You can turn off the lock screen animations by changing the drop-down selection from Windows spotlight to a picture or a slideshow.
Turn off unnecessary app information
Scroll down to see if any apps are showing status on your lock screen. If there are no apps, you can skip this step.
If there is an app that is being allowed to show details on your lock screen, click on it.
Change the selection to None.
These simple steps can help you select a lock screen background of your choice while turning off the unwanted animations or details.