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Just enough for my drivers and my windows XP setup will be more than enough ... I will work from another partition and the system partition will be frozen ...
2Gb seem right but was using 5-10 Gb before, how much do I really need?
I'm now checking with VirtualBox If it's enough, I have access legaly to my school license ...
It used 1.11Gb on 2Gb with a windows xp professionnal cd (oem, retail, msdn, ...)
I know about Nlite but if you're not careful you will lose some stuffs that you need, but I was mostly asking for the default install size to use as a rule of thumb ...
After a few updates it will be more than 15GB. – Anderson – 2014-08-13T12:22:36.560