Many users are so attached to the functioning of Windows that that a threshold is to switch over to another, possibly open source, operating system. Therefore try some of the developers to their alternative system as much as possible on Windows to make it seem. An example of this is ReactOS.
ReactOS is an open source operating system that aims to be compatible with Windows. This means that Windows programs and drivers it should work. In the first instance, is working on compatibility with Windows NT and Windows Server 2003.
The goal is to also the operation and the appearance of ReactOS as much as possible to that of Windows so users of that system makes it possible to switch to this open source initiative.
Despite the fact that the project already started in 1998, is still in the alpha phase so the operating system is only suitable for testing purposes to install.
ReactOS has the following characteristics:
You can free download ReactOS and safe install the latest trial or new full version for Windows 10 (x32, 64 bit) from the official site.