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Question: Upgrade problem to High Sierra

I have a mid 2011 iMac 27"

I had has High Sierra until yesterday. I formatted with MacOsX 10.7 Lion USB disk.

So i can't upgrade to High Sierra now. Please can you help me to how can i upgrade my mac?

iMac, Mac OS X (10.7.5)

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Answer:

See this page. You have to upgrade to El Capitan first.

How to download OS X El Capitan - Apple Support

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Question: Upgrade problem to High Sierra