To Save a File
1.Click 
or File > Save. The Save Object dialog box opens.
2.The directory in the Look In box defaults to one of the following:
a.My Documents (Windows platforms only) if you have not set a working directory or previously saved an object to another directory in your current Creo Parametric session.
b.The Working Directory you set for your current session.
c.The directory you last accessed to open, save, save a copy, or back up your file.
3.Accept the default directory or browse to a new directory.
4.In the Model Name box, the name of the active model appears.
5.Click OK to save to the directory displayed in the Look In box and then click OK.