Find or purchase a gallon plastic bottle for mixing and storage. You need a clean bottle, not previously used for commercial chemicals. Empty water jugs work well. You will also need a clean sprayer bottle. I prefer heavy duty sprayers.
Pour the vinegar into the mixing container.
Pour the water into the container, replace the cap, and shake to mix.
One thoroughly mixed, fill the sprayer bottle, and use on your glass surfaces.
Make sure you label your containers for safety.
If you need more glass and window cleaner, simply increase the amounts of vinegar and water in a 1 to 1 ratio.