There are several things you can do with pictures in Windows 8.1:
Take pictures with your PC. Use the Camera app to take photos, videos, and panoramas. You can also use Movie Moments to make fun movies to share with friends and family.
Import and upload your pictures.
Import your pictures from your camera, phone, or DVD, or you can
your pictures and videos to OneDrive.
View and edit your pictures. You can use the Camera, Photos, and OneDrive apps that are in Windows 8.1 to see your photos and make them even better. You can also install Photo Gallery or search the Windows Store for other photo apps.
Use your pictures to personalize your PC. You can use your favorite pictures on your lock screen, picture password, account picture, and other places in Windows 8.1. For more info, see Personalize your PC.