Update: Windows 10 Redstone 4 build 16257 ISO image files are now available for download. Get the links from here.
Windows 10 Redstone 4 build 16251 ISO download is now available. This is the first Redstone 4 Build (16251.1000.rs_PRErelease.170721-1512) for Insiders.
With the latest insider build, you can now link your phone and PC. Having you link your phone ensures that your sessions from your phone are continued on to the PC that you’ve chosen.
In addition, the build has also added the new Cortana commands. Now you can restart, shutdown or lock your PC with Cortana commands.
The new fast ring insider build also brings improvements to Edge browser, input improvements, PC gaming improvements and more. You can read full changelog here.
If you are unable to update your Insider build or looking for fresh installation, ISO images are now available for download. Check out more detail and download link below. Also, read how to create bootable USB drive with Insider build ISO files.
Download Windows 10 Redstone 4 build 16251 ISO All-in-One
All-in-One ISO includes all Windows 10 editions like Home, Pro, Cloud, Enterprise and Education Editions in one single ISO file. Get the download link from below.