You can create a copy of a presentation, proceed in the following way:
1.Click File > Create a Copy.
2.In the opened window, enter the new file name. By default, the file will be named as the file you are working on with a word "Copy" added before the name.
3.The Destination folder box display the path towards the folder where the file copy is going to be saved. Click Change if you want to select another folder.
4.In the dialog box that opens, select the folder where you want to copy the selected document or folder. You can also create a new folder where the copy will be saved:
•Select the folder where you want to create a new folder from the list and click Create New Folder in the lower part of the dialog box.
•In the opened window, specify the name of the new folder and click Select. The new folder will be displayed as a sub-folder of the specified folder.
The copy of the file will be created in the specified folder. The new file will open in the current tab of your browser and the initial file will be closed.