Thanks a lot for showing a Ray of Hope.

I already have taken all the needed files from win7 install which I want to over-write.
So I would format it and do a fresh install,

however I would...

hi, I am new on this forum, but not new with windows or OS setup.

I was running win 7 (64bit) pleasantly but decided to install Win10, did all the needed stuff for getting dual boot setup.
...