Use AirPort Utility to set up and manage your 802.11n and 802.11ac AirPort base stations, including AirPort Express, Extreme, and Time Capsule. AirPort Utility. How to download AirPort Utility for your devices To browse the AirPort Utility User Guide, click Table of Contents at the top of the page. If you need more help, visit the AirPort Support website. Use AirPort Utility to set up and manage your 802.11n and 802.11ac AirPort base stations, including AirPort Express, Extreme, and Time Capsule. AirPort Utility. By using the coreyjmahler-dot-com method to use Airport Utility 5.6 on Yosemite I am able to setup my old A1088 Airports after I reset them to factory settings. However the only way to configure the A1088 Airports with Airport Utility 5.6 is to connect them to my Mac to Ethernet, Airport Utility does not see them wirelessly. Explore the world of Mac. Check out MacBook Pro, iMac Pro, MacBook Air, iMac, and more. Visit the Apple site to learn, buy, and get support.
See your network at a glance
Quickly see the status of your network and the devices connected to it in a graphical overview.

Safely share your network
Create a guest network so friends and visitors can use your Wi-Fi connection without compromising your network’s security.
Automatically update your base stations
Keep your network running smoothly by having AirPort Utility automatically check for software updates.
Manage your Wi-Fi network from your devices
With the AirPort Utility app on your iOS and iPadOS devices, you can set up and monitor your network from your devices as easily as you can from your Mac.
To browse the AirPort Utility User Guide, click Table of Contents at the top of the page.
If you need more help, visit the AirPort Support website.
Improve your Wi-Fi router, Airport Extreme’s performance, Connectivity by updating firmware manually on Mac OS X. Before that you need basic understating about how to check installed software version and Update WiFi router Airport firmware using Mac. If you don’t know, Please make your Airport firmware up to date all time, by periodically check available update for Airport base station from apple.
Based on Airport Router/Base station’s generation, your firmware must be different version and Compatible OS X then other. See the full list for Airport router’s required OS X and Software requirements. Check full list in detail.
we are happy to help you, submit this Form, if your solution is not covered in this article.
Step by Step instruction on Update WiFi Router Airport firmware on Mac OS X

Check out your Mac’s app store app, if any update available then update is first under Update tab. Make your system upgraded with latest OS X.
Apple periodically sends update for Airport Base Station: AirPort Extreme, AirPort Time Capsule, Airport Express, AirPort base stations.
How to check update automatically?
Yes, you can check or manage airport firmware update on Airport Utility. It will check once in a week. If any update is available then it will be shown in notification center. For the Open AirPort Utility on Mac > Display badge for connected AirPort device in your network if firmware available for update.
Manage/ Enable Airport software update on Airport utility
Update Airport Utility on Mac OS X EI Capitan, Yosemite, Mavericks
When you open Airport Utility on Mac from Applications/Utilities folder, Airport utility will display badge to the right. Select Airport base station.
Shown Available Update
Click on Update button.
Note: Downloaded AirPort Firmware saved on Mac, ~/library/Application Support/Apple/Airport/Firmware.
Update Airport Utility on iOS
Airport Express Utility For Mac Yosemite Drive
Sure about you are connected with internet, Open Airport Utility App from iPhone/ iPad.
App will be show badge with name of connected Airport station in network. Tap on Airport Base station to update.
Enter Password, Choose version and Tap on Download and Install.
That’s it.
Premium Support is Free Now
We are happy to help you! Follow the next Step if Your Solution is not in this article, Submit this form without Sign Up, We will revert back to you via Personal Mail. In Form, Please Use the Description field to Mention our reference Webpage URL which you visited and Describe your problem in detail if possible. We covered your iPhone 11 Pro, iPhone 11 Pro Max, iPhone 11, iPhone 8(Plus), iPhone 7(Plus), iPhone 6S(Plus), iPhone 6(Plus), iPhone SE, SE 2(2020), iPhone 5S, iPhone 5, iPad All Generation, iPad Pro All Models, MacOS Catalina or Earlier MacOS for iMac, Mac Mini, MacBook Pro, WatchOS 6 & Earlier on Apple Watch 5/4/3/2/1, Apple TV. You can also mention iOS/iPadOS/MacOS. To be Continued...

Airport Express Utility For Mac Yosemite 2017
Keep your Airport WiFi router and Base station up to date through above two alternate methods of Update WiFi Router Airport firmware for all OS X and iOS.