What version of SQL Server are we running ?
Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) Mar 29 2009 10:11:52 Copyright (c) 1988-2008 Microsoft Corporation Enterprise Edition (64-bit) on Windows NT 6.0
When was SQL Server installed ?
SELECT createdate as InstallDate FROM sys.syslogins where sid = 0x010100000000000512000000
When was Windows installed ?
Open a command prompt, and type -
systeminfo | find /i "install date"
How to check when SQL Server was installed
How to check when Windows was installed