Please follow the mentioned steps:
1. Got to Control Panel and Uninstall Indesign in case of Windows. If you are using Mac please go to Application/Utilities/ Adobe Installer and uninstall Indesign. Launch AAM and the Install option should be available.
2. Run the cleaner tool and remove leftover components of Indesign. Install and launch AAM.
3. Rename OOBE/Caps/Backup folders and Install AAM again.
Location in Win: C/Program Files(X86)/Common Files/Adobe/
Location in Mac: Library/Application Support/ Adobe /