I am new to mac and this is probably a really stupid question but how do I know what os I have on my new mac book pro? or do I need to buy and download an os?
Click on the Apple Icon. top left of the screen, click on About this Mac...
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Show me how to set up my Mac.
http://www.apple.com/support/switch101/ Switching from PC
Choose About this Mac from the Apple menu. All Macs ship with an OS installed.
Click the Apple Icon in the top left corner, select "About this Mac" the operating system will show as 10.6.X (Snow Leopard) or 10.7.X (Lion)
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