Windows Insiders have had access to Windows 10 Mobile for a while now, but unless they’ve purchased a Lumia 959 or Lumia 950 XL, most Windows Phone loyalists haven’t been able to get their hands on Microsoft’s new mobile operating system. While the desktop version of Windows 10 has seen rapid adoption, the launch of the mobile version has been lackluster to say the least, and with WinBeta’s recent discovery that the end-of-life date for Windows 10 Mobile is three years away, some of us are doubting whether Windows 10 will revitalize Microsoft’s mobile business after all.