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I have to install Windows XP on my mid-2012 Mountain Lion MacBook Air (base config: 4GB RAM, 128GB SDD, 1.8 GHz) but the BootCamp doesn't support anything except 7.

I can't afford to set aside sth like 15-25 GB for Win 7.

How can I do it? Can I downgrade BootCamp in Mountain Lion to a previous version which supported XP and then install XP?

Or if I can create an empty FAT partition and later simply reboot and insert Windows XP insert USB drive(non disc drive) and go on with XP installation?

Update: I have to use that XP partition for gaming purposes so virtual machines are not an option. They eat up too much resource for let me game on my 4GB MBA. I've tried. My problem with 7 and 8 is that they will probably gobble ~30% of my disk space for just the OS.

Looks like there's really no way. Besides, I've got those games on Steam for Linux/Mac now. So, I don't even want to go near a Windows machine anymore. Thanks for answering. I think I shall close this question from further posts if possible.

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3 Answers 3

up vote 1 down vote accepted

As far as I know there is no way to dual-boot any Mac with Bootcamp and Windows XP. It is simply not supported. Bootcamp under Lion and Mountain Lion should be able to support Windows 7 or Windows 8; can't you use one of them to run your Windows software instead of Windows XP?

If you cannot use Bootcamp, then you should evaluate the commercial virtualization products VMware Fusion for Mac and Parallels Desktop. Either of those can run Windows XP. Perhaps they can give you enough system speed for your gaming needs.

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No, I can't use virtualization apps. They eat up too much resource for let me game on my 4GB MBA. I've tried. My problem with 7 and 8 is that they will probably gobble ~30% of my disk space for just the OS. Looks like there's really no way. Besides, I've got those games on Steam for Linux/Mac now. So, I don't even want to go near a Windows machine anymore. Thanks for answering. I think I shall close this question from further posts if possible. –  amar Apr 6 '13 at 5:47
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I use WinXP (and Win7) inside VirtualBox. MBA also mid 2012.

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Note that you need to be careful with memory allocation. 4GB is a bit tight for both OS X, VirtualBox and XP. –  Thorbjørn Ravn Andersen Dec 30 '12 at 21:31
    
I don't remember right now but I use something like 256 or 512 MB memory for the WinXP. Been using it with no problems for about a year. –  Jonny Jan 1 '13 at 8:12
    
Question updated. I'll use it for gaming, so can't use virtualation. Only options that seems a possibility is dual-booting. But BootCamp doesn't support it. –  amar Jan 10 '13 at 2:16
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Summary: there is no way to do what I asked in the question.

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