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How the hell do I upgrade Win10 to latest version when the current win10 takes up 20Gb and the upgrade is requesting 20Gb. I have moved what I can to a SSD card and currently have 3Gb left, but why is Microsoft requesting another 20Gb to perform an upgrade.

Vernon
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  • Because the upgrade works. Windows is installed over the current location, and your files and applications are moved to another portion, have you tried using a flash drive and starting the setup from that location? – Ramhound Jul 09 '16 at 23:46
  • have you tried the steps from my answer? – magicandre1981 Jul 23 '16 at 08:12

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An Microsoft employee explained it here in a video. You need to attach a USB hub and insert 2 16GB USB thumb drives. On 1 drive you put the extracted ISO and the 2nd one must be empty and during running setup.exe from the 1st USB drive, it shows you that you need more space:

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Select here the 2nd empty drive as temporary drive (Choose another drive or attached external drive).

magicandre1981
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