(This post is for educational purposes. Use at your own risk.)

Windows 8 build 8133 (Leaked Developer Preview) – ISO Download & Installation Guide

This build is an outdated, pre-release piece of software intended for archival and research purposes only. Microsoft no longer supports this version. Please ensure you have a backup of your current operating system before attempting installation. We do not host direct ISO files but provide file hashes for verification. Overview Build String: 6.2.8133.0.winmain.111021-1900 Compilation Date: October 21, 2011 Leak Date: November 2011 (Scene Release) Architecture: x86 (32-bit) & x64 (64-bit) Size: ~2.6 GB (x86) / ~3.4 GB (x64)