Reinstalling my Dell Inspiron N5050 to factory settings

i have upgraded to Windows 10 and all my  personal configuration settings and files  were wiped out. in addition windows did not start up half of the time and i  decided to reinstall everything to the factory settings so it'd be like a brand new computer  (i backed up all my personal files before upgrading windows so thats ok!)

so, i've got the Drivers and Utilities and the Windows 7 installation disks which i received from Dell.

i have sucessfully installed Windows 7 but all my Dell software is lost. i have looked up there (

http://www.dell.com/support/article/us/en/04/SLN148687