Accessing the Options Dialog Box

To access the Options dialog box, do one of the following:

Click Options on the Menu Bar toolbar, or Tools > Options.
The Options dialog box appears with the System Options tab active.
Right-click in the FeatureManager design tree area and select Document Properties. (There must be no items selected in the FeatureManager design tree or graphics area in order to select Document Properties.)
The Options dialog box appears with the Document Properties tab active.
Click Grid/Snap on the Sketch toolbar.
The Options dialog box appears with the Grid/Snap page of the Document Properties tab active.