History of WIndows

Oldest = November 1985

2nd oldest = November 1987 (+2 years)

3rd oldest = May 1990 (+2.5 years)

4th oldest = March 1992 (+1.833 years)

5th oldest = July 1993 (+1.25 years)

6th oldest = September 1994 (+1.166 years)

7th oldest = August 1995 (+11 months)

8th oldest = July 1996 (+11 months)

9th oldest = June 1998 (+1.916 years)

10th oldest & newest = February 2000 (+1.583 years)

9th oldest & newest = September 2000 (+7 months)

8th newest = October 2001 (+1.083 years)

7th newset = April 2003 (+1.5 years)

6th newest = January 2007 (+3.75 years)

5th newest = February 2008 (+1.083 years)

4th newest = October 2009 (+1.666 years)

3rd newest = October 2012 (+3 years)

2nd newest = April 2014 (+1.5 years)

Newest = July 2015 (1.25 years)