Could someone tell me if my 10.7.0 install media works if I upgrade through Snow Leopard? And why it removes all files when I pick restart in Lion installer? I'm a bit confused here. Any help is appreciated or do I need to download 10.7.3 iso somewhere? (I burned my 10.7.0 App Store download to disc last year.)

(Also, can I install Lion to a partition by double clicking OSInstall.mpkg?)

I don't have a intel machine so I need a way to install it. I guess Xmove with 10.7.3 iso would work? Unless the kernel doesnt work with a 10.7.3 based installer either..

Can someone who installed it without a intel machine tell me how they did it?

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My Hardware
CPU: Intel Celeron G530
Memory: 4.00 GB DDR3 1333Mhz
Graphics: NVIDIA GeForce GTX 550 Ti
OS: Mac OS X Lion 10.7.4 - Vanilla kernel
Motherboard: Gigabyte GA-H61M-D2-B3