upgrade to 8.1 from 8.1 evaluation 9431

can some think of why I can not get the new 8.1

continue to get the error message from Store

0x80246007

specs:

System Manufacturer/Model Number
homegrown
OS

CPU
intel core2 quad Q6600 2.4ghz
Motherboard
gigabyte x38t-dq6 Intel® X38 + ICH9R Chipset
Memory
4gb ddr3 Corsair TWIN3X2048-1333C9DHX
Graphics Card(s)
nvidia geforce 8800gt 512mb
Sound Card
Realtek ALC889A codec
Monitor(s) Displays
samsung 21.3 screen
Screen Resolution
1024 by768
Hard Drives
500gb wd hd

250gb wd hd
PSU
Corsair CMPSU-750TX
Case
-
Cooling
Arctic Cooling Freezer 7 Pro
Keyboard
microsoft wireless keyboard 7000
Mouse
microsoft wireless mouse 7000
Internet Speed
cable 850
Other Info
pioneer dvd-rw dvr215d

lite-on cd-rw sohr

creative inspire pt7800 7.1

plus 2.1 addtional speakers

hp officejet pro 8500

See this:

http://www.eightforums.com/tutorials/32995-windows-8-1-upgrade-windows-8-8-1-preview.html

Option Three:
http://www.eightforums.com/installa...retail-windows-8-1-windows-8-product-key.html