We all know it's really hard to get good pricing and cost information.
Please share what you can so you can help your peers.
The product is free of charge and comes integrated into Windows.
The cost is per-user. We pay more for an Enterprise license.
You have a standard licensing fee. As far as I know, there are no other costs above and beyond this.
It's free because it comes with Windows. It's a free solution. We're not paying any license. That's why it's better than Bitdefender, McAfee, or Norton. It's free.