Enhanced Session does not support PIN login. If you turn it off and log in with your password you get the rounded corners.
Internal Corpnet Required. I imagine this is part of Microsoft's internal network. Unless someone on the Windows team leaks out another ISO, we're not going to be getting it.
Maybe it's just me but does anyone feel that the build feels out of place as a desktop OS? It's like they mash all the stuff from 10x into 2009 build and called it a day.
After researching around Internet I found that some Gigabyte mobos (my case Z390 UD) using intel doesn't have TPM option on BIOS but have PTT (Intel Platform Trust Technology) which provides TPM functionality without the need for a separate aftermarket TPM. This runs on the Z390 chipset directly as part of the Intel Management Engine.
I'm diggin this style of Windows, actually very stable as well especially with window composition. (unlike most i'm never really afraid of change.)