ksp.exe

Users:	8,509
Computers:	6,800
Different versions:	21

Total Keys:	93,683,831
Total Clicks:	111,738,339
Total Usage:	13 years, 49 weeks, 4 days, 6 hours, 23 minutes, 54 seconds

Average Usage:	14 hours, 21 minutes, 47 seconds

Which versions are out there?
Who's using this?

Version	OS	Last Seen
2017.1.3.186175		2018-03-07
5.4.0.11623258		2016-09-15
5.3.4.16644312		2016-10-15
5.2.4.9963863		2016-03-05
5.2.1.4485982		2015-10-20
4.6.4.10090627		2015-04-25
4.6.1.182341		2015-04-11
4.5.5.168641		2014-12-04
4.5.2.157915		2014-07-17
4.3.3.96362		2014-04-01
4.2.2.78157		2014-01-31
4.1.2.67171		2013-12-21
4.0.1.62181		2014-01-27
3.5.5.44554		2014-01-24
3.5.2.44308		2015-10-14
3.5.1.43663		2016-02-12
3.5.0.43509		2014-01-25
3.5.0.41303		2013-12-14
3.4.0.27242		2014-08-17
3.3.0.63135		2014-01-19
1.0.0.0		2015-03-27