No reliable game-specific gameplay description can be provided because the particular DOS release is unidentified.

If this is a Klondike solitaire implementation, the objective is typically to arrange cards into foundation piles by suit and ascending rank, but the exact tableau layout, draw rules, scoring, and available options are unknown.

No release-specific strategy or rules can be confirmed from the supplied information.

Identify the publisher, release year, or title-screen credits before applying advice, because DOS versions may use different rules and interfaces.