1. Go to Plugins >> Add New > search ‘NextGEN Gallery‘ click ‘Install‘
2. Click ‘Activate‘ and you’re done for Install Plugin.
3. Click Add Galley/Image under Gallery.
4. Select a gallery or choose to create a new one.
5. If creating a new gallery, type a name for your new gallery.
6. Click Add Files and select image files to add to your gallery.
7. Click “Upload Images” once you have selected all the photos for uploading.
8. Click Start Upload.
9. Select page/post or choose to create a new one for add gallery.
10. Click Add Gallery >> Select a gallery and setting display then click Insert Gallery.