So, after a little bit of research and try, I came up with this tested and working method:
1. download the file from here: http://www.microsoft...;displaylang=en
2. run the prompt on it using these switches:
/quiet /passive /norestart
voila! silent installation done
PS 1 if you want to see all available switches, run this command on it:
PS 2 I suspect that only the /passsive switch is enough...