It's purpose is for installing it on more modern hardware.
Dream Edition provides custom patches including:
USB Supplement, KernelEx (may be buggy at the moment), PatchMEM.
Some starter programs: XMPlay, Paint Shop Pro, and even a game -- "Holdover"
You can customize your desktop like in your dreams with multiple featured wallpapers by:
blurry, Razorback members and some awesome uncredited photographers.
HTTP (legacy connection) / HTTPS (safer connection)
Windows 98 Dream Edition (click picture for more info)
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More to come in future!