Image Gallery Poppup or video

[Samuel]

How can i make a image be show as a gallery of images when i click? so when i click image goes into full size and lets me see several images from specific post or lets say a collection for a specific property.

[Pakic]

[Samuel]

Image Gallery BUG

Images of the gallery that are hidden are not showing when clicked, the only ones that are showing are 7 images from a 9 image grid.

None of the other images are showing when clicked, theres a total of 14 images loaded between grid and hidden.