The current release version of OOTP 10 is 10.2.16, released on June 22, 2009.

The previous release version of OOTP 10 was 10.2.15, released on June 20, 2009.

The previous release version of OOTP 10 was 10.1.14, released on June 19, 2009.

The original release version of OOTP 10 was 10.0.7, released on June 5, 2009.

Note:The version # of your copy of the game can be seen in the top left corner of the Main page of the game, or by going to the Help Menu and selecting About.