Why 2d sprite shapes does not show op?

I would like to make a 2d platformer using spriteshapes, but when i open the packages 2d spriteshapes is not an option for me, i cannot install it and its not even visible. Compared to other users i havent got that many options in packages menu.
If anyone knows why please tell me i’ve been searching for its since 3 days.

Hi, Could you please post a screenshot and the version of the package and unity editor you use ?