The Draw tab is on by default for pen or touch-based computers. If you don't see the Draw tab, here's how to add it.
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                          Open File > Options. 
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                          Select Customize Ribbon in the options dialog box. 
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                          On the right pane, check the box for Draw. If you don't see it, choose Draw from the left pane and select Add. 
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                          Click OK to close Options. 
Tip: If you don't see Draw in the left pane, select All Commands at the top.  
The Draw tab is on by default for pen or touch-based computers. If you don't see the Draw tab, here's how to add it.
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                      Open PowerPoint > Preferences. 
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                      Select Ribbon & Toolbar in the PowerPoint Preferences dialog box. 
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                      On the right pane, check the box for Draw. If you don't see it, choose Draw from the left pane and select Add. 
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                      Click Save to close Ribbon & Toolbar options. 
The Draw tab is on by default to use the mouse to draw. It will work with a pen or touch if the computer supports it.
 
                         
				 
				