1. Ian Mancera's Avatar
    I'm little bit too late to test and help Microsoft on their new Windows 10. I'm waiting for a time that they will release a decent tech preview that testers will enjoy. So when the build 9926 came out last January, I torrented the Windows 10 Tech Preview (since bittorent clients have download pasuing built in because my internet speed isn't that fast to download it one shot only) expecting that the torrent is build 9926.

    So my question, is updating in Windows Update on PC Settings and latest ISO builds from Microsoft have the same file size. Because, there is no progress bar nor ETA on my build when downloading preview builds. And I can't even pause it (if it actually downloads) Is it more recommended that I should have download ISO builds rather than updating it from the Windows Update, or Windows Update preview builds is much smaller than downloading ISO builds because ISO builds is for new computers?

    Please tell me, I want to try Cortana and other things
    02-26-2015 06:20 AM
  2. anon8959613's Avatar
    Use a download manager. (if you are downloading the ISO). The links are resumable anyways.
    Free Download Manager | Download

    If you are updating from inside the windows update, the download size might be smaller.
    02-26-2015 06:31 AM
  3. hotphil's Avatar
    Personally, I'd always download a full ISO and do a clean install from it.
    ​However, if bandwidth is a concern, it might be worth waiting a week or two - I have no knowledge of any release schedule, but it's been a while since 9926 and another build may well be due soon. Which I'll look forward to trying out - 9926's been a bumpy ride for me.
    02-26-2015 06:36 AM
  4. Ian Mancera's Avatar
    If you are updating from inside the windows update, the download size might be smaller.
    How do you think so? There is no detailed infos about preview builds updates in build 9841, nor progress bar, download speed, ETA, pause option, download percentage just a normarl spinning circle. Please someone knew about tech preview builds technicalities, please explain the testing process of new builds, updates and others. I am so confused between updates for Tech Preview in Windows Update and Preview builds updates. I am new for this new kind of beta testing implemented in Windows 10 (since I was too late) by MS (I still like the Windows 8 beta testing process but with user feedbacks)
    02-27-2015 04:57 AM
  5. anon8959613's Avatar
    How do you think so?
    Because an update is an addition to what already exists on your computer.(not the entire OS)
    That is the purpose of an update.
    Whereas an ISO is an entire OS (when a new build comes it includes the updates also) !
    as simple as that.
    02-27-2015 05:04 AM
  6. Ian Mancera's Avatar
    So preview builds are simply downloading new ISO builds to see the next OS update. Same as downloading an ISO build from the Windows Insider Program but directly right from the PC Settings. Instead of clean install from ISO, it's a upgrade from the previous build. Am I right? Does it wipe everything every preview build, or just a typical simple upgrade just like updating iOS or other mobile platforms? And also some users have option to have preview update fast or stable. Well in my build it appears that I don't have that option.
    02-27-2015 05:37 AM
  7. hotphil's Avatar
    Whereas an ISO is an entire OS (when a new build comes it includes the updates also) !
    Not necessarily. I haven't checked, but I wouldn't be surprised if, at this stage, doing an "update" downloaded the whole ISO.
    ​An ISO is just a file container (in a format defined by the International Standards Organiz(s)ation"). This one contains the full OS and will likely contain an update utility (same as buying a Win8 DVD now).
    ​Any of the upgrades tell you what data will be wiped/not wiped. But if all your actual data is in the cloud and you're only installing this preview on a test machine, there's nothing to worry about.
    02-27-2015 05:47 AM
  8. anon8959613's Avatar
    doing an "update" downloaded the whole ISO
    I never said that.

    I am not here to prove anyone wrong or say that I'm right

    From what I know I'm saying


    You have OS 'A' (build number 1000) on your system.
    so 'A' gets an update 'B'( a few hundred MB).
    this update can be done from inside the OS 'A'.

    'A' OS seems to have a new ISO available on its website (with a new build number 1100).
    This new ISO contains the whole OS 'A' along with the update 'B' integrated inside ISO. (this is a separate ISO).

    So you get 2 options.

    Either update from inside OS 'A' (the update will be only a few hundred MB).

    Or you can have the full ISO (new build number, basically OS 'A' + update 'B') for a fresh install.

    An update alone is never released in an ISO (which can be installed over the existing OS).

    An ISO always contains the full OS.
    02-27-2015 07:10 AM

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