# Preinstallation Environment Command-line

In DISMTools 0.7 and later, the Preinstallation Environment allows you to load Command Prompt by pressing `C` at the main menu:

From this environment, you can run any command, including Administration Scripts included with this Preinstallation Environment, like you would in a regular Windows PE system. To learn more about Administration Scripts, see the Administration Script Reference page.

The environment will restart automatically after 72 hours (3 days).

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