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When It's Time to Replace Window Handle If it's due to damage or just because of the style it could be the right time to replace your window handle. This job can be done by anyone with the right tools. Remove the screw covers from the old uPVC handles. Then, you will see four screws in the handle. Security A broken window handle can be a security threat. If it's not replaced quickly, burglars could gain access to your home via an unlocked window. Replacing your window handles could be a low-cost and easy way to increase security. To replace the windo