Go to WordPress Dashboard > Galleries > Add New Gallery
Enter gallery title and you can add images to this gallery. From gallery admin page. Click on “Upload Image”.
Then select images you want to upload to this gallery. Once you finish upload each image. It will automatically attach to this gallery. You can also change image caption and description by clicking image from this page. If you want to change order of images within gallery. You can easily drag&drop image next to each one. Once you finish dragging, click “Update” to save changes.
Create a gallery page using Elementor
Go to WordPress Dashboard > Pages > Add New and enter page title.
Click “Edit with Elementor” button to open Elementor Page Builder.
You will open a Elementor page builder. On the left sidebar.
To add gallery widget. Click on search bar on the left sidebar widget box. Then type “Gallery” it will shows all gallery widgets. You can drag widget you want to add to the main content area on right side.