For users with the developer or unlocked editions of the HTC flagship, Android Lollipop has already begun rolling out, according to Android Central.
Check for a system update if you aren't seeing it yet.
Users with carrier versions of the HTC One M8 have a little longer to wait still, but hopefully it won't take too much more time.
The video below, posted over the weekend by HTC-Vietnam, shows exactly what you have in store when Lollipop does arrive for your version of the HTC One M8.
The new iPhone is Apple's crowning achievement