Steps to Uninstall Windows 7 Operating System:
Note: Please take backup of your important data you have on the partition where you installed the Windows version you want to remove.
To erase your Windows 7 installation from the dual-boot configuration and just have Windows 8, perform these steps:
Boot into Windows 8
Launch Msconfig by hitting Windows + R to get the run box, typing msconfig and clicking Ok.
Select the Boot tab.
Select Windows 7 and click Delete.
Click OK to exit msconfig
Launch Disk management by typing “Create and format” into the Start Menu and clicking on the “Create and Format Hard Disk Partitions” shortcut.
Right click on the Windows 7 partition and Select Delete Volume.
If after following the instruction, you are not able to uninstall the windows 7 on your system and Ugly little boxes give you error messages, means - your PC is on the verge of breakdown. This is where you become helpless and look tech support for windows.
So don’t go anywhere or wasting time in taking to the repair shop. Just call us and get whole solution for uninstall of windows 7 completely from your computer.