Windows 10: UUP Update KB4483530/KB4483541 (Dec. 20, 2018)

[German]Microsoft has released the UUP update KB4483530 and KB4483541 for selective user groups under Windows 10. Here is some information about this update, which is being tested by some users.


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Blog reader Markus K. informed me about the update (thanks for that). It is a Universal Update Platform (UUP) update, which is currently being tested selectively by some users.

What is the Universal Update Platform (UUP)?

At the end of 2016, Microsoft announced its plans for the Universal Update Platform (UUP), in which differential updates will reduce package size by 30-40%. I had reported on the details in the blog post Windows 10 UUP shrinks update package size under 1GB.  As a result, updates and feature updates were downloaded much more quickly. Within the blog post An update on our Unified Update Platform (UUP) Bill Karagounis of Microsoft explained in March 2017 the latest findings about the UUP approach.


(Source: Microsoft)

The above graph shows the improvements in download size between different Windows builds – the green bars show a differential download per UUP, while blue shows the conventional method with .ESD package. It's dramatic what's going on. Microsoft assumes that the download sizes for insider builds can remain below 1 GByte. Starting with the Windows 10 Creators update, UUP is also integrated in the version accessible to end users.

Update KB4483530 for Windows 10 Version 1709

Update KB4483530 is available for Windows 10, Version 1709. However, Microsoft writes that this update has only been made available to a limited amount of customers who participate in a preview of UUP. It is currently in a testing phase and should only be installed on devices that are registered in the UUP preview.


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This update is for UUP preview testing only. Do not install this update on a device that is not used for UUP testing. To obtain the standalone package for this update, visit the Microsoft Update Catalog Web site. This update does not replace a previously released update.

Update KB4483541 for Windows 10 Version 1803

Update KB4483541 is available for Windows 10, Version 1803. However, Microsoft writes that this update has only been made available to a limited amount of customers who participate in a preview of UUP. It is currently in a testing phase and should only be installed on devices that are registered in the UUP preview.


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