How to check Win7 Ultimate is not SP1 version

There are Win7 user reactions, when installing some software, programs are prompted to Win7 SP1 version. But I don't know if I am SP1 version. How do I check if my Win7 system is SP1?

1. Right click on the <quo;computer” icon on the desktop. Select properties;

2, then a window will open, which shows a lot of basic information and hardware configuration of the system;

3, we can see the top version of Windows The following shows that this is a Windows 7 system, and if service pack 1 is displayed, then your system is SP1.

View Win7 SP1 version of the system is not that these steps, so when you install some software, or program, you can look at this method in accordance with their own version of the computer system does not meet the characters.