Chosen Solution

I’m looking into swapping out the old hardrive for a new solid state. I’ve seen a video about it but I’d like to know what all I need to do and how to do it in the right order. Any help is appreciated.

Did you review this guide? iMac Intel 21.5" EMC 2805 Hard Drive Replacement

You can also consider a new blade SSD: iMac Intel 21.5" EMC 2805 Blade SSD Replacement