is my MS-SQL registered properly??

[honarparvar]

Hi guys,
I asked a same question here at webproworld but I got no replies. I wondered if I have asked it in a right way.
I had installed a demo version of SQL from microsoft's website on my server and later I decided to purchase it. I contacted my datacenter's administrator and asked for a dual processor license. right now I'm paying 350 USD per month and they have been confirmed (DC's support) that my SQL is registered, but I see no evidence, no changes!

so if you login in to your SQL server, how can you understand it's registered?!

please help! thanks in advance,
Emad

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[sunpost]

try running to get some information about the server...
SELECT @@VERSION
and
EXEC xp_msver