With virtual machines, it is possible to run Tails inside a *host* operating system (Linux, Windows, or macOS). A virtual machine emulates a real computer and its operating system, called a *guest*, which appears in a window on the *host* operating system.
With virtual machines, it is possible to run Tails inside a *host* operating system (Linux, Windows, or macOS). A virtual machine emulates a real computer and its operating system, called a *guest*, which appears in a window on the *host* operating system.
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When running Tails in a virtual machine, you can use most features of Tails from your usual operating system, and you can use both Tails and your usual operating system in parallel, without the need to restart the computer.
When running Tails in a virtual machine, you can use most features of Tails from your usual operating system, and you can use both Tails and your usual operating system in parallel, without the need to restart the computer.
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This is how Tails looks like when run in a virtual machine on Debian using *VirtualGNOME Boxes*:
The Tails virtual machine does not modify the behaviour of the host operating system and the network traffic of the host is not anonymized. The MAC address of the computer is not modified by the [[MAC address spoofinganonymization|first_steps/welcome_screen/mac_spoofing]] feature of Tails when run in a virtual machine.
The Tails virtual machine does not modify the behaviour of the host operating system and the network traffic of the host is not anonymized. The MAC address of the computer is not modified by the [[MAC address anonymization|first_steps/welcome_screen/mac_spoofing]] feature of Tails when run in a virtual machine.
To run Tails inside a virtual machine, you need to have virtualization software installed on the host operating system.Different virtualization software exists for Linux, Windows, and macOS.
To run Tails inside a virtual machine, you need to have virtualization software installed on the host operating system.Different virtualization software exists for Linux, Windows, and macOS.
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<p>The following list includes only free software as we believe that this is a necessary condition for ithe software to be trustworthy. See the [[previous warning|virtualization#trustworthy]] and our statement about [[free software and public scrutiny|about/trust#free_software]].</p>
<p>The following list includes only free software as we believe that this is a necessary condition for the software to be trustworthy. See the [[previous warning|virtualization#trustworthy]] and our statement about [[free software and public scrutiny|about/trust#free_software]].</p>
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**<span class="application"em>VirtualBox</spanem>** is available foron Linux, Windows, and Mac. Its free software version does not include support for USB devices and does not allow to use of a pPersistent volumStorage.
**<em>VirtualBox</em>** is available on Linux, Windows, and Mac. Its free software version does not include support for USB devices and does not allow use of a Persistent Storage.
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**<span class="application"em>GNOME Boxes</spanem>** is available foron Linux. It has a simple user interface but does not allow to use of a pPersistent volumStorage.
**<em>GNOME Boxes</em>** is available on Linux. It has a simple user interface but does not allow use of a Persistent Storage.
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**<span class="application"em>virt-manager</spanem>** is available foron Linux. It has a more complex user interface and allows to use of a pPersistent volumStorage, either by: