How to increase partition size windows 10

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Open the System page in Control Panel (from “This PC”/“My computer”, open the Properties). Running under Windows 10, but I doubt it makes a difference here.Īt a an elevated (admin) command prompt, run the command powercfg /h off

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I have followed the instructions here, and I successfully shrank my OS partition in about 10 minutes.

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There seems to be absolutely no need for any third party software.