The issue focused on software updates for PCs running Windows 10 and desktop PCs running Windows 10 Mobile. Microsoft offered two versions of Windows 10 Mobile that users could download for free and upgrade to either version at no charge. Windows 10 Mobile initially launched with desktop PCs running Windows 10 installed on them and subsequently switched to PCs running Windows 10 Mobile with desktop PCs installed on them. Windows 10 Mobile Mobile OS devices come preinstalled with desktop PCs running Windows 10 Mobile with desktop PCs installed on them. Windows 10 Mobile Mobile OS devices come pre