Hi,Vladimir!
I know what you mean.
But in Badrobot's first post, he said "with a new Gigabyte motherboard". New motherboard should not have memory, I think.
My computer(which installed Windows...

Badrobot, did you do any additional thing before you upgrade to build 10240? I feel a little strange why I can't get 10240 like you did.
I know the must-do thing to get the upgrade is to connected...