Question : Why does my memory say Installed memory RAM 24.0 (16.0 GB Usable) ?

CASE:  Cooler Master HAF 932
MB:  Gigabyte GA EX 58 UD5
VIDEO:  Nvidia FX 4800
CPU:  i7-860 2.8 Ghz 8mb Cache
COOLER:  Zalman CNPS9700LED
RAM:  G Skill F3-8500CL7S Rip Jaw 24 GB
HD: (3)  Western Digital  Caviar Black 2TB 7200/64MB/Sata
HD: (2)  Western Digital  Caviar Black 500GB 7200/64MB/Sata built as RAID0
HD: (1)  Raptor 500GB for Operating System
SOUND:  Creative X-fi SB 1040EF
OS: Windows 7  64 Bit


In the control panel my computer lists INSTALLED MEMORY RAM 24.0 (16.0 USABLE) I use this computer for editing and the editing software says there is 16GB usable memory.

Why does it not say 24.0 Usable memory?

Thanks
Art

Answer : Why does my memory say Installed memory RAM 24.0 (16.0 GB Usable) ?

Right-click on Computer;  select Properties;  click on "Get more features with a new edition of Windows 7";  and if you choose "Go online to choose ..." you can buy an upgrade and it will automtically be applied to your system.   [A "Windows Anytime Upgrade"]    An upgrade to Pro costs $89.95;  to Ultimate it's $139.95.