But Apple recently updated its Mountain Lion operating system and completely broke parental controls.
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Now they can enjoy the latest Mountain Lion features in Windows apps with Parallels Desktop 8.
Apple is due to release its latest OS - Mountain Lion - in late summer 2012.
But what's most striking about Mountain Lion and Windows 8 isn't the similarities, but their fundamentally different visions.
Mountain Lion is expected to hit stores this month, so the obvious speculation has moved in that direction.
By default, Mountain Lion will only let you install programs carrying these certificates.
Also, ignore the Lion on the screen, this also works for Mountain Lion.
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Mac: Mountain Lion has sold 7M copies since July, fastest ramp of the OS X releases to date.
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Owners of MacBooks, MacBook Pros and MacBook Airs began reporting problems shortly after Mountain Lion launched on July 25.
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Mountain Lion requires Lion or Snow Leopard (OS X v10.6.8 or later), 2GB of memory and 8GB of available space.
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At its WWDC developers conference last month in San Francisco, Apple said that Mountain Lion will have 200 new features.
New system-wide Sharing is built into Mountain Lion, making it easier than ever to share links, photos, videos and other files.
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Mountain Lion will contain more than 2, 000 new features, including iMessages, speech-to-text dictation and predictive "smart search" in the Safari browser.
As with last year's OS X 10.7 Lion, Apple is doing its darndest to make the Mountain Lion upgrade irresistibly painless.
In fact, all your stuff being available on all your Apple gizmos at all times is a recurring theme in Mountain Lion.
Apple has accounted for more than 200 new features in Mountain Lion, many of which will matter to lots of people.
The Mountain Lion analysis is from July 25 to October 14, 2012, and Windows 8 is from October 26 to January 13.
His antics have since been mimicked by the Chicago Bulls' Benny the Bull and the Denver Nuggets' Rocky, an off-beat mountain lion.
Still, the big news about Mountain Lion isn't that it's so cheap.
Thanks to the ongoing visible support of previous OSX versions alongside Mountain Lion, the software is seen as being stable and reliable.
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Starting today, customers who purchase a Mac are eligible for a free copy of OS X Mountain Lion when it becomes available.
Using your iCloud account, Mountain Lion makes it easier than ever to set up your Mail, Contacts, Calendar, Messages, Reminders and Notes.
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Your Facebook notifications work with Notification Center in Mountain Lion, and you can even update your Facebook status from within Notification Center.
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Developers also may get a closer look at OS X Mountain Lion, the Mac operating system scheduled for release this summer.
Outdoor activities will include skiing, sledding, curling, falconry and mountain lion watching.
Use Mountain Lion's Dictation feature in Windows apps, organize Windows "Metro-style" applications in Launchpad, and enjoy the brilliant Retina-display resolution in Windows applications.
Mountain Lion's new sharing features, also iOS-influenced, puts quick-sharing icons into the toolbars of the Safari browser, Preview, Photo Booth and other programs.
It's equally possible to feed results back to Alfred, launch scripts and trigger notifications (whether Mountain Lion's or Growl's), among other feats.
Mountain Lion has done the same for another group of adopters.
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Or you can tell Mountain Lion to let you install any software you please, regardless of where it came from or whether it includes a certificate.
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