A written, self-paced micro-course on placing two windows side by side on one screen: snapping each one to its own half, keeping the pair you return to, and getting back to a single window without losing your place.
It is text on a page, described generically for any computer. There is no video, no live meeting, no group, and nothing to install. The certificate documents study only.
This is a self-paced educational program. It does not promise income, sales, clients, employment, or any economic or professional result of any kind.