Download Official Windows 10 Build 10586.240 (KB3157621) Cab Files
Today, Microsoft has released Windows 10 Build 10586.240 to Insiders in Release Preview Ring. Now it seems the Build 10586.240 is available in Microsoft’s production servers and can be downloaded as Cumulative update using the official Microsoft update catalogue links. Click on the below official links to download it for both X64 and X86 devices.
The latest cumulative update is released as KB3157621.