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#1030
Is there a reason why that this release is 10586.3?
This ain't yer paw's OS; nor yer maw's either.
Microsoft has been working on the recent major upgrade to Windows 10 Build 10240 RTM for the past three and a half to four months, which is no small task. I'd hazard a guess that other teams (Edge is a good example) have been working far longer than three or four months in preparation for this upgrade. The Edge Team isn't the only one either; Store, OneDrive and Skype are others. All of these have to "sync" together for a great user experience.
Personally, I prefer a clean install rather than an upgrade simply because whatever goes wrong (user error, glitches, malware, etc.) within the OS can be carried forward with an upgrade.
Let's take a case in point . . . quite sometime back, my Windows 8.1 system was taken over by some stupid search engine that I did not want, but no matter what I did to uninstall it, it wouldn't go away. I asked for help from the denizens here and got a lot! (No surprise there!). After many hours of painstakingly working with anti malware programs, it eventually looked as if we got rid of the PUP (potentially unwanted program).
In preparation to installing Windows 10 on this OEM machine, I upgraded from Windows 8.1 Home to Windows 8.1 Pro. The PUP still wasn't showing up so, so far, so good. Then on or about July 29, I upgraded to Windows 10 Pro. I occasionally booted into the RTM partition of my dual boot system and . . . yep, you guessed it . . . there was that blasted search engine I had such a hard time getting rid of (or not!).
No matter how diligent we are, and I am, things get into Windows that Gramma's lye soap won't take off. And in that case, a clean install is in order.
My reason for telling you all this should now be clear . . . Microsoft has perfected upgrades to the point that for the most part, nasties aren't ported into the upgrade, but that takes a lot, lot, lot of code. And . . . isn't always successful, as with my example above.
However! Remember those who have complained that the upgrade uninstalled Speccy and CPUZ? Well, the installer saw those and for whatever its reasoning decided they're not "compatible". Not compatible means they could cause problems if left in the final product by Windows Update.
Kinda makes ya wonder how many malware items the upgrade installer took out behind the scenes because it saw an "incompatibility" in something. Would it have uninstalled my rogue search engine? I don't know, but since I was on my fourth upgrade, I wasn't about to find out.
It's to distinguish from the earlier Win10 1511 10586.0.
Also of note is there are only 2 updates listed in my Win10 Home and Win10 Pro version 1511 10586.3, KB3105211 and KB3103688, none of the previous updates are on the installed list so that in itself appears to be a 'major' update.
My guess is that the Insiders got Build 10586.0 a couple of weeks before the major update to Windows 10. We got some security updates and a cumulative update (which took us to 10586.3) the day before Version 1511 (10586.3) was released.
Again, my guess is that Microsoft wanted the Insiders and the general public all to be on the same page for at least awhile. :)
Is here someone who did clean install of this new build 10586 and during installation deleted all partitions but after finish of clean installation have in Disk management partition with 450MB?