How to get SharePoint Server Version

SharePoint Server Version
Open PowerShell:
PS C:\Users\My Name>(get-spfarm).buildversion
You will get Version

Or
PS C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\BIN>(get-spfarm).buildversion
Major Minor Build Revision
----- ----- ----- --------
14 0 6100 5002
Or
To see which build your products are, go to Central Administration > Upgrade and Migration > Check Product and patch installation status.
Or
http://SERVER/_admin/PatchStatus.aspx
Data Base Version:
Central Administration --> System Settings -->Manage servers in this farm
You can see:
Configuration database version: 14.0.6100.5002
Configuration database server: SREVER
Configuration database name: SharePoint_Config
Or
To see which build your databases are, go to Central Administration > Upgrade and Migration > Review database status.
Or
http://SERVER/_admin/DatabaseStatus.aspx