Apple CFO Peter Oppenheimer has confirmed that the polished copy of OS X 10.7 Lion download will be available on the Mac App Store tomorrow, July 20. The confirmation came during Q3 earnings call.



Apple has started to deliver OS X Lion promo materials to its stores and multiple reports have already confirmed that Apple stores have received hard drives with final image of OS X Lion. AppleCare representatives are receiving Lion training too apart from getting their workstations upgraded to Lion.
The update will only be available via the Mac App Store for USD 29 per person. For smooth and fast transition, you must prepare your Mac for the upgrade process before it is released.
Follow this Guide to update your Mac to Lion.