understanding windows 10 updates: version, quality, os build info


  1. Posts : 22
    win7 and win10
       #1

    understanding windows 10 updates: version, quality, os build info


    How does one tell if a win10 is fully updated, or patched?

    On my pc @ home, it shows version 1909 with I think build 18363.something and either zero or two quality updates.

    On a work pc, it shows version 1809 build 17763.973, with 21 quality updates.
    Today's date is Feb 10, 2020.


    How does one know what quality updates they should have?
    Does a later version such as 1909 with no quality updates beat out and any older version with N quality updates?
    How does one find out what versions and quality updates are out there, and what they should have?
    Is there a better reference than this: Windows 10 version history - Wikipedia

    Is there an explanation for how the build number works? Such as "17763.973", how do I decipher the value before and after the decimal point?
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  2. dalchina's Avatar
    Posts : 30,092
    Win 10 Pro (1903)
       #2

    How does one tell if a win10 is fully updated, or patched?
    Hi, whilst the latest available build number for the general public and for different forks of the Insider program are maintained in the News section here, for example, that does not mean that each and every PC will be offered updates or upgrades to that latest build by Windows Update.

    That occurs for at least these major reasons:
    a. Compatibility: a given PC may not be deemed compatible with a given build and so not offered an upgrade to it.
    b. Primarily considering upgrades (feature updates) - MS has a planned slow roll-out program, where devices considered the most compatible receive it first. Build roll-outs may be spread over 2-3 months, for example.
    c. It is possible to defer feature upgrades for up to 365 days. That will delay upgrading, and Windows Update will not offer any available upgrade during that period.

    In Settings, Windows Update, you can see when the last check was run, and run a check manually.

    How does one find out what versions and quality updates are out there?
    See the News section here

    Does a later version such as 1909 with no quality updates beat out and any older version with N quality updates?
    It depends. For example, I upgraded to 1909 from 1903, and rapidly found the widely reported problem with file explorer search. I reverted.

    Quite often MS changes in feature updates- in this case, even the more trivial 1909 build- introduce new problems which may be fixed in the next major update- or the next feature update as seems will be the case here.
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  3. NMI's Avatar
    NMI
    Posts : 700
    Windows 10 Pro, Version 20H2
       #3

    ron7000 said:
    How does one tell if a win10 is fully updated, or patched?
    ...
    How does one know what quality updates they should have?
    ...
    How does one find out what versions and quality updates are out there, and what they should have?
    ...
    Is there a better reference than this: Windows 10 version history - Wikipedia
    Yes; check Microsoft's Windows 10 Update History at aka.ms/w10hist

    Click a version number at top left to view all updates at bottom left.

    Click any update listed under "In this release" for more details.
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  4. Bree's Avatar
    Posts : 18,808
    10 Home x64 (20H2) (10 Pro on 2nd pc)
       #4

    ron7000 said:
    On my pc @ home, it shows version 1909 with I think build 18363.something and either zero or two quality updates.
    On a work pc, it shows version 1809 build 17763.973, with 21 quality updates.
    How does one know what quality updates they should have?

    Each quality update includes all fixes from previous ones, so just one quality update is required - the latest one.


    Does a later version such as 1909 with no quality updates beat out and any older version with N quality updates?

    1909 is a feature update, not a quality update. Security and bug-fix quality updates are still being issued for both 1809 and 1909, with new security updates on the second Tuesday of the month (Patch Tuesday). Your work PC has the most recent Patch Tuesday update so it is as secure as your Home PC on 1909. You Home PC has a few new or modified features that are not in 1809, that's all.

    How does one find out what versions and quality updates are out there, and what they should have? Is there a better reference than this: Windows 10 version history - Wikipedia

    Yes, from Microsoft: https://support.microsoft.com/en-us/...update-history
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  5. jamis's Avatar
    Posts : 467
    Windows10 Home 64 bit v. 20H2 bld. 19041.928
       #5

    Every production version (1803, 1809, 1903, 1909, etc.) has a unique number to the left of the decimal point for that particular version. Notice the number in my system specs. The number to the right of the decimal point normally gets assigned when a Cumulative Update (typically the “B” or Patch Tuesday update) is applied to the system. So, a Feature Update will get your system a new number to the left on the left side and a Cumulative Update will change the right side. The current version numbering methodology follows a YYMM format as MS is trying to do feature updates twice a year (March & September). There are some anomalies to all of this for the folks in the preview groups, but if you are just a regular user, you needn’t be concerned about that part. If you are using the Windows Update function, the system will normally provide your particular PC with the updates it needs and can support.
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