Make the page
1. Go to Pages > General
2. Click the Add New button
3. Give your page a Title and then go to the Page tab
5. Enter the display order - this controls where the page will sit in the top navigation
6. Choose the Gallery Page for the page Template (last field)
4. Click the Save button
Add Photos
5. Now you're ready to add photos - go to the Photos tab and click Add New
6. Each photo can have a title, caption and a short category (this can be used to filter the gallery)
7. Then Upload and image (or pick one from the Library) and click Save
8. Repeat this for each image
9. When you're done, go back to the Details tab and click Save & Publish