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i need to upgrade my os . iMac (27-inch, Late 2013) /os x yosemite version 10.10.5 how can upgrade
It depends on what applications you have installed(click the first link above) and whether a problem occurs while upgrading.
(183602)
If I download Catalina my data and software its go or everything still only OS update?
i need to upgrade my os . iMac (27-inch, Late 2013) /os x yosemite version 10.10.5 how can upgrade
