Your time and data are valuable. Do not risk them on a leaked, pre-release, hacked operating system from 2013. The future of lightweight computing is open-source, secure, and completely free鈥攚ithout the baggage of Build 9374.
As a transitional build between Windows 8 and the final 8.1 release, Build 9374 introduced several experimental features: Windows 8.1 Pro 6.3 Build 9374 X86 Lite Free