Okay, so you've got your new fill valve and you're ready to get started - follow the instructions that come with the kit, and don't be afraid to get creative if you need to! You'll need to attach the valve to the tank and connect the water supply line - it's like solving a puzzle, and the prize is a super-quiet toilet!
As you work, remember that practice makes perfect, so don't worry if it takes a little trial and error to get everything just right - you're learning and growing, and that's what matters! You got this, and before you know it, you'll be a plumbing pro!
How To Replace A Kohler Silent Fill Valve at Gabriel Higgins blog