WiFi is not working ..I update the system last time in May and i did not the machine tell today

[Teo]

That would be a good starting point for chroot

[HowTo] Recovering from an interrupted update/upgrade

Difficulty: ★★☆☆☆ So you couldn’t wait until the update process had completed and you went for the reset/power button, didn’t you? And now you’re getting the message that you don’t have a kernel installed. Well, you’re not the only one — we’re seeing it happen all the time. So, here’s how to fix it, you impatient n00b. If you don’t happen to have a recent Manjaro installer USB/DVD/CD handy, direct your browser to this wonderful page, download t…

For dkms you will have to find tutorial yourself, i have not done it. How did it work in May then?

P.s. and by the way it should work out of the box with kernel 6.1+. Maybe you should reinstall with the latest github iso, and then update and change kernel to either 6.4 or 6.1 cause 63 is eol.