In this version, the story had shifted. Dr. Wily wasn't pleading for help; he was already gone. The robot masters didn't wait at the end of their stages; they wandered the backgrounds like aimless shadows, their sprites flickering as if the virus was literally tearing them apart.
If you are looking to play Mega Man 10, here are your primary options:
Currently, Mega Man 10 is no longer legally available for purchase on modern Nintendo hardware (the Nintendo Switch) via the eShop, unlike some other classic titles. It is, however, available on the PlayStation Store and Xbox Marketplace for PS3, Xbox
Given that Mega Man Legacy Collection 2 frequently goes on sale for $10–15 USD, the legal option is affordable, safe, and supports the future of classic game preservation.