Software Update Helppppp

Okay.

Your iPad Air is tooooo far behind in iOS upgrades/updates to do using the over-the-air, software update feature.

You will need to connect your iPad Air 1st gen to a real, full computer, also connected to the Internet, using the recent version of the iTunes app for computer and have the iTunes application upgrade that 1st gen iPad Air to its maximum, current iOS version of iOS version 12.4.6.

Update your iPhone, iPad, or iPod touch - Apple Support

Update to the latest version of iTunes - Apple Support

Which year and model number iPad Air and what iOS version is it currently running?

You are most welcome!

Enjoy your iPad Air.

The iOS version can be found in the Settings app, General settings panel > About.

Tap About and look down that list until your find the iOS version.