Follow the instructions as shown in the video. Windows Server 2012 build 7788 (fbl_core1_hyp_dev) is a build of Windows Server 2012, which was uploaded on 24 June 2022. It is the earliest available server build to include the Redpill feature locking mechanism and a confidential build warning in the watermark. Due to its earliness, this build identifies itself as its predecessor in many areas and still bears the 6.1 kernel version.