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In this update, we complete our seasonal theme collection for PowerPoint 2010. You can quickly and easily format an entire presentation to give it a professional and modern look by applying a theme. A theme is a set of formatting choices that include a set of theme colors, a set of theme fonts (including heading and body text fonts), and a set of theme effects (including lines and fill effects).
To complement the Summer theme that we released in the previous update, we're bringing you Autumn, Winter, and Spring.
For those of you running Office 2010, we deliver this fresh content directly to the themes gallery on the Design tab.
Just click Enable Content Updates from Office.com (if it's grayed out, that means you're already receiving updates or your enterprise has disabled updates).
Once you enable updates, you'll see a set of themes at the bottom of the gallery that stays up to date as we add new ones (you may need to scroll down to see them).
We have a lot more great themes in store for you, so check back soon for more updates. You can also customize and save your own themes, or check out the Office.com part of the Themes gallery in PowerPoint next time you want to impress!
-- Christopher Maloney, PowerPoint Program Manager
Yup. mine was grayed out....but the new templates were already in the Office.com collection on my computer. Sweet.
Mine was greyed out as well. but I clicked on the theme and then went back to the online window which had a button at the bottom saying save this theme and set up a selection of new themes with my own names to them
you also can find free powerpoint templates, themes and backgrounds here at MyTemplatesShop :