So here are some basic things to get you started in Windows 10, including removing or disabling the bing search section on your start bar.
So first of all the big bing search bar if you want to get rid of it completely thing simply run this little baby and it will remove it from your start menu(you might need to reboot to line up icons)
http://adf.ly/1LZgZc
Simply run that and you should have no more bother from bing search!
However if you want to just disable bing search but keep the system/local/computer search then you should run this one instead
http://adf.ly/1LZeiq
any issues the below will undo any changes
http://adf.ly/1LZhu9
any issues give us an email
if you want to remove bing, search, disable, bar, windows 10
