Creates a subwindow. This API uses a promise to return the result.
> **NOTE**
>
>
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [createWindow()](#windowcreatewindow9-1) instead.
**Model restriction**: This API can be used only in the FA model.
Creates a system window. This API uses a promise to return the result.
> **NOTE**
>
>
> This API is supported since API version 7 and deprecated since API version 9. You are advised to use [createWindow()](#windowcreatewindow9-1) instead.
Obtains the top window of the current application. This API uses an asynchronous callback to return the result.
> **NOTE**
>
>
> This API is supported since API version 6 and deprecated since API version 9. You are advised to use [getLastWindow()](#windowgetlastwindow9) instead.
**Model restriction**: This API can be used only in the FA model.
Obtains the top window of the current application. This API uses a promise to return the result.
> **NOTE**
>
>
> This API is supported since API version 6 and deprecated since API version 9. You are advised to use [getLastWindow()](#windowgetlastwindow9-1) instead.
**Model restriction**: This API can be used only in the FA model.
Obtains the top window of the current application. This API uses an asynchronous callback to return the result.
> **NOTE**
>
>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [getLastWindow()](#windowgetlastwindow9) instead.
Obtains the top window of the current application. This API uses a promise to return the result.
> **NOTE**
>
>
> This API is supported since API version 8 and deprecated since API version 9. You are advised to use [getLastWindow()](#windowgetlastwindow9-1) instead.