TSD functionality is only available if the TSD option is enabled on your licence.
The dialog is displayed when you right-click the applicable TSD object in the Explorer window and select Open as from the popup menu, and then select the Historical option in the Open TSD view as dialog.
Note: If the TSD object is in a cloud database and the number of versions exceeds 10,000, a message is displayed warning you that it may take some to retrieve version information, and gives you the option to cancel the opening of this dialog.
This dialog lets you specify the historical version to display.
Select the historical version to display in the grid by clicking its Version Id cell.
Click OK to commit the changes and display the historical version for the scalar or spatial TSD.