Windows 10 comes bogged down with a ton of junk from the Windows Store, and also has hibernation enabled by default. This is a huge space waster and has some impact on the performance of your machine. Run Powershell as Administrator and run the following script to Slim down and speed up your Windows 10 Install.
NOTE: Get-AppxPackage -AllUsers line can be skiped if you want to keep Windows Store / Built-In Apps (Calculator / Bing News / Mail / etc.)
Get-AppxPackage -AllUsers | Remove-AppxPackage
Get-Childitem “C:WindowsLogsdosvc” | Remove-Item -Verbose
powercfg -h off
Please note: The final command runs disk cleanup, this remove old update files and prior versions of windows. This can free up as much as 20 GB of space!