Select the system drive at the Allocate Space From (*) To section, and drag the end of System C drive into the unallocated space. 1. Right-click a big partition with enough free space on the system disk, select 'Allocate Space'.

Extend System C drive without unallocated space

3. Click 'Execute Operation' and 'Apply' to execute the operations and extend the C drive.

2. Drag the system partition end into the unallocated space so to add it to the C: drive.

1. Right-click on the System C: drive and select 'Resize/Move'.

Extend System C drive with unallocated space Here you may try EaseUS partition manager software for help: partition manager software will effectively help with extending system C drive and repair bad sector error. Removing bad sectors or unknown file system errors is also highly necessary so to avoid unexpected Windows 10 update stuck or failure issue. Extend system C drive and fix existing errors on Windows PCīefore you start Windows upgrade process, it's highly recommended for you to leave enough space in system C drive so to install new Windows 10 ISO image files. Just follow and see how to free upgrade Windows 10 from Home to Pro with ease now. Is it possible to free upgrade Windows 10 from Home to Pro edition without a key? Sure!Īccording to professional Windows tech support sites and managers, here on this page, we'll gather and show you two free methods to upgrade Windows 10 from Home to Pro edition without losing data and formatting. Not satisfied with installed Windows 10 Home edition on your PC? Are you trying to find a way to upgrade Windows 10 from Home edition to Pro edition for free? How to upgrade Windows 10 from Home to Pro edition? Without a key? Don't know what are the differences between Windows Home and Pro edition? Below picture will give you a brief introduction.

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