by 
This Is Not A Difficult Trick It Is Very Easy Your All Need Is Just Follow These Simple Steps.
1) First Of All Create An Actual Desktop Shortcut In Your Computer
2) Go To Application Whose Keyboard Shortcuts You Want To Create
3) Right Click On The Application And Select Create Shortcut From The
Context Menu. Make Sure The Shortcuts Sites On Your Desktop
4) Now Go To Desktop And Right Click On The Shortcut You Created And
Select Properties.You Should See A Line That Says "Shortcut
Key<none>"Click That Line And Then Click Any Letter From Your
Keyboard
For Example:
