: Maintaining two separate codebases (32-bit and 64-bit) became increasingly difficult for the developers.
The Dolphin team officially discontinued 32-bit support in for Windows and Linux, with Android following shortly after in 2015 . The reasons were primarily technical: 32 Bit Dolphin Emulator Android
While the Official Dolphin Website only offers 64-bit builds, you can still find legacy or unofficial versions if you are determined to try them on older hardware. 1. Legacy Official Builds : Maintaining two separate codebases (32-bit and 64-bit)