Mac OS Sierra Upgrading, 10.8, 10.7, 10.6 To 10.12.6
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This video just show you step by step how to upgrade your Mac from old version to the latest version!!!
Q: Why we need to upgrade our OS X?
A: Because some App running on Mac OS X like Skype….. alway update and can’t lunch and install on old version of Mac OS X and some reason each new OS X released from Apple company it including some fixed bug, new platform, fixed some more security to put your Mac book in safety place!!!!
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