I remember once reading here that there was a bug that made Windows show up as “unknown”

-Not available to buy or only second hand for exorbitant prices (cough cough Nintendo) -Overpriced subscription (cough cough Adobe) -Getting a version of a game you already bought free of invasive or resource-heavy -Trying out a paid program/game/etc. with the intent of buying it if it you like it and it runs well