 So, you want to know the fastest, easiest way to install stable diffusion locally on your computer. Not a problem. Follow the link in the description, scroll down, and if you're using an Nvidia graphics card then click here. Then get the zip by clicking here. Download the SD Web UI here, and once you have it, copy it to whatever location you want to install stable diffusion. I'm just going to put it on my C drive, paste it, right click, extract all, open it, run the update, let it load, run the software, let it load. You're done. From here, you just type in your prompt and start imagining whatever you want. I hope that helps, and as always, hope you have a fantastic day, and I'll see you around.