Command & Conquer: Red Alert and The Aftermath are best played on modern systems via the officially remastered collection or the legal, updated, and free community version at CnCNet. Third-party sites often host insecure or incomplete files, whereas CnCNet provides patched, fully functional versions for Windows 10/11. For the classic experience, you can download the game through CnCNet and utilize the configuration tool to enable expansion units like the Chrono Tank and Tesla Tank. You can find the safe, legal version at CnCNet.