Is it? I play Alien - Isolation, Deus Ex - HR (Director's Cut), Diablo 3, Dark Souls 2, Far Cry 4, Dreamfall Chapters, Metro - 2033 (Redux), Wasteland 2, Battlefield 4, and Dragon Ages - Inquisition. Would I see any benefit from running games on Windows 10 vs. Windows 8.1 (fully updated) ? Are there likely to be compatibility issues and/or crashes/freezes/problems? What about Home-Theater programs, like JRiver Media Center, MPC-HC, LAV Decoder, madVR, and ReClock? Any issues with those? Do you have to format & re-install Windows 10 with each new build or can builds be fully upgraded/updated through Windows Update? Is it possible to port Windows 10 Start Menu onto Windows 8.1 Start Menu???