If you want Mac OS X Lion on your PC dual-booted with Windows 7, Vista or XP, follow this tutorial.
What you’ll need:
- at least 20 GB of free space (30+ GB if you’re planning to install lots of apps on OS X)
- one blank DVD 4,7
- Mac OS X Lion image for burning
- TransMac
- EasyBCD
- Optional: Windows 7/Vista DVD
Before we begin, make sure you meet minimum requirements:
- Compatible motherboard
- Intel Core CPU
- Compatible VGA card
- Minimum 1GB RAM
Let’s start:
1. Download the Mac OS X Lion image at http://www.kat.ph/iatkos-l1-mac-os-x-lion-10-7-1-t5863900.html
2. Download TransMac and install it from http://www.acutesystems.com/tmac/tmsetup.exe
3. Run TransMac, open the .dmg image you downloaded in the first step and extract the .iso image (should be around 4 GB)
4. Burn the .iso image to the DVD (you can use Windows Disc Image Burner on Windows 7 and Vista – just right click the .iso and go to “Open With” and choose the “Windows Disc Image Burner”. For Windows XP you can use Nero)
5. Install EasyBCD from http://neosmart.net/download.php?id=1
6. Open EasyBCD and go to “BCD Backup/Repair” and backup your current boot configuration, choose desktop just in case
7. Make another partition with at least 20 GB – if you don’t know how to do it, google it
8. Reboot the PC and boot from the DVD you burned (press F12 while the PC is restarting and all that BIOS stuff appears, and choose CD/DVD)
9. It should boot just fine. Don’t do anything until the bar on the desktop removes itself, or press any key on your keyboard, just not the F keys on the top.
10. You’ll then need to wait around 10 minutes for the PC to load all the files from the DVD
11. Follow the on-screen instructions until you get to the part where you have to choose on which partition to install OS X
12. Go to the “Utilities” and choose “Disk Utility”
13. Find your partition you made there, select it, click on “Erase” and change MS-DOS to Mac OS Extended (Journaled). Finally click on Erase on the bottom to format it.
14. That shouldn’t take much time. After it finishes, close Disk Utility and then click on the partition you want to install OS X on – the one you just formatted
15. Click on Customize
16. Don’t deselect anything, just select some drivers that you think you’ll need. NEVER install all the drivers, it will cause conflicts in the system, only choose those that you need! I’m suggesting to definitely select Graphics Enabler. Don’t worry, if you forget something to install right now, you can install other tweaks with MultiBeast when you finish installation and actually boot into Lion
17. Click on “Done” and Install Lion
18. After you finish installing, reboot the PC and boot from the DVD – otherwise it won’t boot into any system, it will just give you an error – Don’t panic here.
19. When you boot the DVD, don’t wait for the bar to disappear, nor click any key. Instead, click F8 and choose the partition where you installed Mac OS X to boot it. It should boot just fine and you can configure your Mac from there and use it
20. Reboot the PC again, boot from DVD, and this time choose Windows instead of Mac to boot
20a) Installation of Mac can cause Windows 7/Vista loader failures, therefore making your Windows not genuine again. Ignore this right now, we’ll get back to this later
21. Open EasyBCD and go to “Edit Boot Menu” and delete everything from there
22. Go to “Add New Entry” and add your Windows version there. Then click on “Mac”, rename it to what you want, and just click “Add Entry” again
23. Now go back to “Edit Boot Menu”, select Default as Windows, select “Boot default OS after 30 secs”. Click on Save.
24. Go to “BCD Deployment”, select your Windows version, and click on “Write MBR”
That should be it. You can now boot into Mac OS X Lion and Windows from the boot menu when you restart your computer without the need of the DVD (although, keep it safe, you’ll need it).
About the Windows Genuine problem, just install the loader again. I prefer Windows 7 Extreme Loader.
Note: If you still have problems with booting from the hard drive, put your Windows Vista/7 DVD and boot from it. Follow these:
That should do it. 
Goodluck!
- stefanm_96
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