" refers to a specific pirated version or "repack" of the 2003 expansion for Warcraft III: Reign of Chaos
This is a marketing buzzword used by uploaders to make their link look more appealing than others. In the world of software, "quality" usually just means the file isn't corrupted, but in this context, it's often used to lure users into clicking risky links. Game Review: Warcraft III: The Frozen Throne If you are looking for a review of the actual game content, The Frozen Throne Warcraft 3 - Frozen Throne Skidrow Reloaded Extra Quality
Many "Extra Quality" packs include a version switcher. This allows you to jump between v1.26 (best for older mods and custom maps like DotA) and v1.31 (the last version before the Reforged update). " refers to a specific pirated version or