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What’s the download size of the Windows 10 April 2018 Update (version 1803)?


Windows 10’s April 2018 Update (version 1803) is close to 3GB in size using Windows Update. However, it all depends on the version and platform (32-bit or 64-bit) that you’re running, because using the Microsoft Unified Update Platform (UUP), only the files required to upgrade your PC will be downloaded.

As a result features updates can be up to 35 percent smaller than downloading the full installation files.

The Windows 10 version 1803 ISO file is 4.4GB for the 64-bit version, while the 32-bit version is 3.2GB.