How to check size limit of installed sql server 2008 r2

Question

Hii

 As this article is right "Great news for SQL Server Express users today! We increased the maximum database size in SQL Server 2008 R2 Express from 4GB to 10GB "

Then How Can I check what is a size limit of my installed sql server 2008..?

I mean My installed server 2008 r2 express having memory of 4gb or 10 gb...

 

 

Please give me answer if you can....

 

Pradeep Patel