Using this Arlec halogen globe is easy. First, make sure the power to the light fixture is turned off. Then, gently insert the GU10 base of the globe into the corresponding socket in your downlight. Once it's securely in place, you can turn the power back on. When handling the globe, avoid touching the glass part with bare hands as the oils from your skin can cause the globe to overheat and reduce its lifespan. If you do touch it, clean it with a soft, dry cloth. Keep the globe in a dry environment. If it gets dirty, you can use a mild, non - abrasive cleaner to wipe it down. In case the globe stops working, check if the power is on and if the socket is in good condition. If problems persist, it might be time to replace the globe.