If you don't have stable diffusion webui installed, go to install stable diffusion webui on Windows. 2. Run "stable-diffusion-webui/webui-user.bat" to open Stable Diffusion webui in a browser at http://127.0.0.1:7860/. 3. Select a Stable Diffusion checkpoint in the drop down, e.g. v1-5-pruned-emaonly.ckpt. 4. You can use most of the default settings such as sampling method "Euler a", Sampling steps 20, width 512, height 512, CFG Scale 7, Seed -1 etc. Change Batch size to 4 if you want to generate 4 images each time. 5. Type your prompt in the txt2img field, click the orange Generate button. 6. After the images are generated, they are automatically save in "stable-diffusion-webui/outputs" directory.