1. Open MS Paint:
  2. Launch MS Paint from the start menu.
  3. Open Image:
  4. Click "File," then "Open" to select your image.
  5. Select Entire Image:
  6. Use CTRL + A to select the whole image.
  7. Resize:
  8. Click "Resize" in the Image section of the toolbar, and enter new dimensions.
  9. Save:
  10. Click "File" and "Save As" to save a copy of the resized image.