: Build v1329985 is an older version of the game. AOE III DE receives frequent official updates for balance and bug fixes; unofficial versions often lack the ability to update easily and cannot access official multiplayer servers. Recommendation
If you are looking to play the game safely and with full features (including the latest expansions like Knights of the Mediterranean or United States Civilization ), it is best to use official channels. The game is frequently discounted on and is included in the Xbox Game Pass subscription. sc23847-AOEIIIDEv1329985.part02.rar
: This indicates it is the second volume of a "split" archive. Multi-part RAR files are used to break down large game installers (often 30GB+) into smaller, more manageable chunks for uploading and downloading. Context and Risks : Build v1329985 is an older version of the game