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I have the free upgrade to lion which expires after 30 days upon release.

However I do not want to upgrade it right away, can I download Lion, throw it on a DVD and install it later when the initial bugs get smoothed out?
 
I have the free upgrade to lion which expires after 30 days upon release.

However I do not want to upgrade it right away, can I download Lion, throw it on a DVD and install it later when the initial bugs get smoothed out?

Yes. Logically.
 
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