Unlike previous versions of Windows 10 Technical Preview, the latest public build, Windows 10 build 10049, takes a significantly larger amount of time to install for some users. It was made available for Windows Insiders recently and many users noticed the slow upgrade time and additional space taken on the disk drive after installing Windows 10 build 10049. Here is how you can get 2.5 GB of disk space back after installing Windows 10 build 10049.
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