Steps to turn off sticky keys on Windows 8 and 7 are:
Open the Control Panel from the Start button.
Then Open Ease of Access.
After that, click on Ease of Access Center.
From the list, click “Make the keyboard easier to use.
Uncheck the box for “Turn on Sticky Keys.” Then, click OK to confirm
Now, to disable the shortcut, click “Set up Sticky Keys
Uncheck all the boxes and that’s all