Right click on that and click 'Show Package Contents'. Step 3) In the extracted contents, there's another PKG file called InstallMacOSX.pkg. Copy the PKG file somewhere, then use The Unarchiver to extract it.

Step 1) On a handy Mac, grab Lion installer from Apple website here: It sounds like you've done this already, but here we go:

in fact I lost count of the amount of ways it told me it couldn't do what I wanted. So, I downloaded a Lion.dmg file and researched what to do (after realising it won't USB boot), which is restore an image or something, which I try and get various error like 'cannot unmount disk', 'source busy', 'couldn't resize partition', then it asks to scan the image and tells me 'resource busy'. but apparently my Apple ID is too new or something and can only download later versions. Got into Disk Manager (sorry 'Utility') wiped the disk and tried to do a 'Reinstall Mac OS X' from an online thing. I thought I had a fairly good grip on what to do (only internet searches as I'm no Mac daddy for sure)! There are a few more things to try before I admit it beat me, but to save me time that I don't really have does anyone know how to get the Mac OS back onto a Macbook Pro (A1211 - 2006'ish). After spending a couple of hours on this yesterday afternoon, (although I have to admit I'm not sure it's worth the effort - long story short, I need a Mac to do some testing for another issue, so I dug out an old Macbook that's been sat in the cupboard for a few years).

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