【Minimal Assembly】: The Whole Installation Process is Fairly Simple, A Detailed Installation Manual with Installation Steps and Pictures are Provided, All I had to Was Slapped on the 2 Clear Pads (Removing the Protective Film First, of Course), which stick to the Top of the Ceramic Toilet. There are Two Rods in the Back of the Unit that Extend BELOW the Toilet Ceramic Top, Thereby Pushing Against It, Making It Even More Secure and stable.