My "System Preferences" does not have "iCloud" as a choice under "Internet

You need to upgrade the computer's OS to get that pane.

Open the Mac App Store and try downloading Yosemite. If you get told it's incompatible or otherwise desired, choose About this Mac from the Apple menu, check if the computer has at least a Xeon or Core 2 Duo(not Core Duo) CPU and 2GB of RAM, and if it does, click here and order a download code for Lion 10.7; the online Apple Store also sells download codes for Mountain Lion 10.8, but it has the same system requirements as Yosemite.

Back up your data and check your applications for compatibility before upgrading. In particular, Mac OS X 10.7 and newer don't support PowerPC programs such as versions of Microsoft Office prior to 2008.

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You have to install 10.7 (lion) or newer.

Your OSx would need to be 10.7 or higher. iCloud is not supported on Snow Leopard.

Sorry,

GB

If you are using Snow Leopard, 10.6.8 as you indicate, iCloud is not available. You must have at least Lion, 10.7.5 or higher to have iCloud access.