Hi Guys,
This link provided all builds number for DPM 2010 and DPM 2012, it must be Bookmarked :)
List of DPM build numbers
If you want to know which build version is your DPM, open DPM shell and type:
$dpmversion = ((get-process | where {$_.name -eq "msdpm" }).fileversion)
$dpmversion
Or from your DPM console, click on the Information button :
DPM 2010
DPM 2012