The following should be valid download links for various versions of DJI assistant 2.

DJI Assistant 1.0.4

• PC: https://dl.djicdn.com/downloads/phantom_4/DJI_Assistant_2_Installer_20160602.exe
• Mac: https://dl.djicdn.com/downloads/phantom_4/DJI Assistant_Installer_mac_1.0.4.dmg

DJI assistant 1.1.2

• PC: https://www.sekidorc.com/press/DJI_Assistant2_Installer_v1.1.2_20170527.zip
• PC: https://archive.org/download/DJIAssistant2Beta112_201804/DJI%20Assistant2%20Beta112.zip
• PC: https://archive.org/download/DJIAssistant2Beta112/DJI%20Assistant2%20Beta112.zip
• MAC: https://www.sekidorc.com/press/DJI_Assistant2_Installer_v1.1.2_20170527.pkg

DJI Assistant 1.2.4

• PC: https://dl.djicdn.com/downloads/dji_assistant/20180516/DJI+Assistant+2+1.2.4.exe
• Mac: https://dl.djicdn.com/downloads/dji_assistant/20180516/DJI+Assistant+2+1.2.4.pkg

DJI Assistant Latest 1.2.5

• PC: https://dl.djicdn.com/downloads/dji_assistant/20190327/DJI+Assistant+2+1.2.5.exe