Cinegy Player PRO started for the first time looks as follows:

Cinegy Player interface

To resize the window, place the mouse pointer to any side or corner and drag-and-drop the arrow to fit the desired size. After changing the window size and closing the player, next time when launching the player its window size is restored from the previous session. To open the full screen mode or exit it, double-click the top panel of the window. The same actions can be performed by clicking the player sign on the player top panel and choosing the corresponding command from the menu:

Cinegy Player top panel menu

The player interface consists of 5 parts: