Windows Vista build 5520.16384

Windows Vista build 5520.16384 is a pre-RC1 build of Windows Vista, which was uploaded to BetaArchive on 1 February 2020.

Changes

 * This build's watermark identifies the system as a Pre-RC 1 build, rather than just a RC 1 build.
 * This build is the first to have a build number which can be divided by 16 and to have a post-period number in a range between 16384 and 24575, which was a requirement for RTM builds until the initial release of Windows 10.