[AiMesh] Can I add my home router to AiMesh system?
You can find the supported list on https://www.asus.com/microsite/AiMesh/en/index.html

How to get the (Utility / Firmware)?
You can download the latest drivers, software, firmware and user manuals in the ASUS Download Center.
If you need more information about the ASUS Download Center, please refer to this link.