I picked up some used HP T620 thin clients that had WES7 on them and I wanted to bump them to Win10 after it was released. The ones that I'm using have a 16GB mSATA SSD drives and 4GB of memory. I had to wait awhile for HP to get the 10 image out, but now you can install the HP Recovery Image Download Tool (ThinUpdate) 64-bit and that will help you build a USB stick with the Win10 IoT installer on it.
Be sure to get the free management software too: HP Device Manager
If your like me, you don't have the Win10 COA in the BIOS to activate this image, so it wants to block the install because the OS/BIOS check fails. Here is the work around:
Find this file on the flash drive: (Where your Flash drive is dr…