HT201364: OS X Mavericks system requirements
Learn about OS X Mavericks system requirements
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All replies
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Helpful answers
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Feb 9, 2015 4:49 AM in response to 3stash3by stedman1,You will need to delete or move existing content off the drive and onto an external drive.
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Feb 9, 2015 4:55 AM in response to 3stash3by Matt Clifton,If you lack the space to even download Yosemite, you need to drastically reduce the ampunt of hard drive you're using up. Your system is likely to get very slow and start crashing (and may not even boot up). Installing Yosemite if you only have just enough room to do so is a recipe for disaster. You need a good 10% and preferably more drive space free at all times.
As stedman says, delete or move files to an external drive. You can use Omnidisksweeeper to find large files and folders:
Also, please amend your profile on these forums to more accurately reflect what OS and computer you have. You don't have Mac OS 10.0, for example. That way we can give you appropriate advice.
Matt
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Feb 9, 2015 7:33 AM in response to 3stash3by BobHarris,OmniDiskSweeper (free download)
<http://www.omnigroup.com/more>
<http://www.macupdate.com/info.php/id/7402/omnidisksweeper>
DO NOT delete files in your Home Folder -> Library tree as there are things like your iPhone backups, your email messages, your application preferences, etc...
DO NOT delete files outside your home folder, as you may end up deleting something essential to Mac OS X, and turn your Mac into an expensive “Door Stop”.
I will point out that you will find some very large files in private -> var -> vm (these are the Mac OS X virtual memory paging files (swapfiles) and where Mac OS X stores the copy of RAM when your Mac is put to sleep). The swapfiles get deleted on reboot, and the sleep image is just going to be created again when you put your Mac to sleep.
If you think you have found something to delete outside your home folder, it would be best to ask first before deleting. There are many examples of people deleting files outside their home folder, or renaming files, or changing the ownership or permissions of files, and then their Mac stops running. Do not be one of those people. Ask first.
PS. Please do not use ALL CAPS for your entire messages. In the world of text messages, forums, etc... ALL CAPS is shouting, and we haven't done anything that annoying yet
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