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 system basic information and hardware configuration;
3, we can see that under the top Windows version shows this is Windows 7 system, and if there is service pack 1, then your system is SP1.



View the Win7 system is not the SP1 version of the above steps, so when installing some software, or programs, you can follow this method to check the system version of your computer does not match.