You can easily create a gallery page in the theme by following the steps given below:

Step 1: Firstly, create a new page.

Go to Dashboard > Pages > Add New

You can name the page as a Gallery.

WoodpeckerDocs_Image_22

Step 2: Set the template as Gallery Page.

WoodpeckerDocs_Image_23

Step 3: Click on Add Media to create a gallery.

Go to Add Media

WoodpeckerDocs_Image_24

Step 4: Click on Create Gallery & upload the images from your desktop.

WoodpeckerDocs_Image_25

Once the images get uploaded, click on Create a new gallery option as shown in the below image.

WoodpeckerDocs_Image_26

After this Edit Gallery page opens up.

Make sure that Link To field should have an Attachment Page option.

Now click on the Insert Gallery.

WoodpeckerDocs_Image_27

When you complete the above step, you can see a gallery shortcode appears on the page.

WoodpeckerDocs_Image_28

Click on Publish button.