How to fix Shift key to release caps lock in Windows 8?
a) Right click on the bottom left side corner of the desktop
b) Select “control panel.”
c) Open “Languages” and select “Advanced Settings”.
d) Click on “Change language bar hot keys” option under “Switching input methods”
e) Select “Advanced key settings” options from “Text services and input languages” window.
Here you will find the settings to release/disable the CAPS lock option by pressing shift keys.