Microsoft Windows Vista SP1 Update 32Bit
This is the Windows Vista Service Pack 1 Build 6001.16633. Think of it more as a pre-beta build of SP1 than an actual beta build. It is also a standalone update pack that can be installed in any edition of Vista RTM and is not a fully integrated SP1 ISO unlike the previously released 6001.16549.

Microsoft Windows Vista SP1 Update 64Bit
This is the Windows Vista Service Pack 1 Build 6001.16633 (x64). Think of it more as a pre-beta build of SP1 than an actual beta build. It is also a standalone update pack that can be installed in any edition of Vista RTM and is not a fully integrated SP1 ISO unlike the previously released 6001.16549.

Microsoft Windows Vista SP1 Update 32Bit Build 6001.16633 READ NFO-WinBeta

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Microsoft Windows Vista SP1 Update 64Bit Build 6001.16633 READ NFO-WinBeta

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