 In 1999, he was vice-president of the ÖFB and after the resignation of Friedrich Stickler on 7 November 2008, Windtner was elected, through a majority voting against Günter Kaltenbrunner in February 2009, to ÖFB president.Windtner committed himself politically in the municipality of Sankt Florian and was deputy mayor from 1979 to 1985, and mayor from 1985 to 1995.Since 1996 he has been chairman of the Sankt Florian boys' choir.