Pls Help Noob ! 2 Mod´s questions

[canimodo]

Hi,

i just reformatted (cheapest way to have a new PC), and did a clean install + patch 1.4b (latest on Sh3 official website).

I wanna try this GWX mod.

1. How do I install it ??
2. Any list of what it will do to my game version ? (new features etc)
3. Can it be played with around 65% realism (unlimited fuel, external views) ?
4. Can I uninstall it in case i dont like ? And how to uninstall ??
5. I have P4 2.8Ghz, 1 Gb RAM, X800pro 256Mb Agp 8x. Enough ??

Thx a lot !!!