Windows SteadyState (formerly Shared Computer Toolkit) is a discontinued freeware tool developed by Microsoft that gives administrators enhanced options for configuring shared computers, such as hard drive protection and advanced user management.

It is primarily designed for use on computers shared by many people, such as internet cafes, schools and libraries.

A similar disk protection component was included in Windows MultiPoint Server 2012.

SteadyState can revert a computer to a previously stored state every time it reboots, or on administrator's request.

WDP offers three modes of protection: SteadyState can prepare user environments.

[2][3] Microsoft claims it is still possible to prepare a shared computer using native features of Windows 7 such as System Restore.