Once you are in the editing page, click on Add MediaClick on Create GalleryOn your computer select the pictures you want to use and drag them onto the Create Gallery window, drop in any part of the window, once it turns bluePictures uploading to your galleryOnce all the pictures have uploaded, they will be marked by a tick, click on Create a new galleryYou can change any of the settings or leave them in default modeClick on Insert gallery to finishYour gallery is shown in the editing window. Click on any part of the gallery to change the settingsYou can change the gallery settings by clicking on the pencil icon. Click on the X will remove the gallery