Windows 10 enables cumulative updates, meaning the platform will be continually developed with new features. Microsoft hopes this approach will help eliminate fragmentation and better support the platform moving forward. Windows 10 will cease to offer backward compatibility for older machines running previous versions of Windows after mid-2017, effectively setting a clock for enterprise customers. Microsoft TechNet outlined each of these options, called branches, for Windows 10. The next update, named Redstone 1, is expected in July and is expected to be released in July.”]
Source: https://securityintelligence.com/windows-10-updates-what-does-it-mean-for-customers/