Microsoft has given out Windows 8 as an Official Consumer Preview, you can install it on anything you like, even a tablet
No. You can install windows 8 directly from a USB or CD.
No. It is not true to say that genius open f509 tablet is not for windows 8 users.
The best thing about a Windows 8 tablet is probably the fact that it is lightweight, making it the perfect portable device.
Yes
Probably. There may or may not be Windows 7 drivers for all the devices, so the tablet may not fully work.
Fairly simple to install. Yes compatible with Windows 8 or 8.1.
yes you can
so far the window company has created 8 windows computers
i think so you can, you need an older version to start the upgrade process to Windows 8
If the hardware meet the minimum requirements most W XP PC's can install and run W 8.
You have not specified which tablet you are using. However Andriod, iOS and Windows tablets all have Office apps that you can download and install. Some are free, others have to be bought.