Windows 8.1 build 9477 (fbl partner out31)

Windows 8.1 build 9477 (fbl_partner_out31) is a build of Windows 8.1, which was originally shared on Chinese website PCBeta on 21 August 2013 in Simplified Chinese, then on 19 October 2018, other languages including English were uploaded to BetaArchive's FTP server.