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Speeding up OSD tip #100 – WIM Sizes

May 10, 2026 Back in 2018, I wrote a blog called Optimizing Win10 OS Upgrade WIM Sizes. The goal was to keep OS upgrade times as low as possible by using a patched WIM that contained the latest updates. Back then, admins had to do this themselves. Fast forward, and Microsoft now provides updated media…

Optimizing Win10 OS Upgrade WIM Sizes

If you are using the full Win10 media to perform OS upgrades (like using a Configuration Manager Task Sequence), then you are going to want to put the install.wim on a diet. In addition, if you are servicing your WIM with the latest patches, you want to make sure that you are doing it in a way that…

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Speeding up OSD tip #100 – WIM Sizes

Optimizing Win10 OS Upgrade WIM Sizes