Microsoft will release smaller-sized updates in Windows 10. This translates to smaller downloads and of course a significant bandwidth savings.
Until today, Windows 10 ISO downloads were around 4,8GB because Microsoft included the x64 and x86 versions in a single file. So the company will allocate ISO installations for x64-bit systems only which is approximately 2.6GB in size, saving businesses approximately 2,2GB from the previous download file size.
These smaller ISO will only exist for the x64 files and will be available from 27 Σεπτεμβρίου for companies updating their systems to Windows 10, versions 1703, 1709 and 1803. Once released (tomorrow) version October, there will also be the smaller ISO for the x64 bit version.
Let's mention, if you did not understand the above, that smaller files will only be available to businesses,
Updates will be available for those who use Windows Server Update Services (WSUS) or for those who connect to the System Center Configuration Manager and will be released as electronic software distribution files (ESD or Electronic Software Distribution) through WSUS.
However, the smaller Windows 10 update packages will only contain the original version of Windows 10, which means they do not have the cumulative updates that were released by RTM onwards.
This means that administrators will need to separately install the latest cumulative update to update their systems.
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