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Vista seems Fat

My version of Vista (SP1 - 64bit) on my Laptop seems to be taking up an unusually large amount of disk space.....about 30g more than the same version on my desktop (SP1 - 32 bit)

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At the top of the forum is a sticky with a note in it about
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At least part of that

At least part of that space is consumed by the fact that for 32-bit app support, the 64-bit version has to have a parallel set of 32-bit DLL files along with the 64-bit ones. So there's about half a parallel install of the 32-bit Vista on the 64-bit version, and it will continue on that way until such time that Microsoft decides to end 32-bit support like it did 16-bit support with the 64-bit versions of Windows. And also, to be fair, the 32-bit Vista still has the legacy 16-bit support in there, so there's something of a shadow OS install there as well, it's just smaller.

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