The following table lists the version of Windows Script Host implemented by Microsoft host applications.
| Host Application | 1.0 | 2.0 | 5.6 |
|---|---|---|---|
| Microsoft Windows 98 | x | ||
| Microsoft Windows NT 4 Option Pack | x | ||
| Microsoft Windows 2000 | X |
The following table lists Windows Script Host language elements and the version in which they were introduced.