Window Handle snapped.

[Willa]

Hello All, help or advice please.

I have a double glazing window unit and the handle has snapped off. I can still open and shut the window with a bit of manouvering, but the handle does need replacing. The handles are ESPAG type.
As the units are 20 years old I doubt I will get same for same new, so I intend to use a handle from the garage window, which is never used and replace the duff one.
I have tried removing the handle by unscrewing the lower screw in the handle, but the handle unit remains more or less fixed. I think with a bit of leverage it would come out, but I do not want to smash it with undo force.
Is there only one screw holding it in? or is there an additional clip in place?
Thanks in advance.

 

[foxhole]

Screw top and bottom usually hidden by a self adhesive cap, pry off.

 

[Willa]

Thanks for the replies and advice.
The top screw WAS hidden by a solid brass cap which I thought was part of the handle. Had to use a knife to remove, to damaged to replace.
I started removing the handle and noticed a keyhole shaped spring, could you tell what this is for before I pull the whole lot out.
Thanks again