In the installation CD of QNE Optimum, you should be able to find the below installation files in the directory name "Dependencies":
if your computer is 32 bit, Please double click SQLManagementStudio_x86_ENU
if your computer is 64 bit, Please double click SQLManagementStudio_x64_ENU
If you cannot find the installation files, you can also download from the internet, you can search in google "download SQL Management Studio"
or visit the below website:
Note: if you didn't change the default password of the instance during the installation, below are the user name and password to connect the database of QNE Optimum.