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1. Click Start or Windows button (or press Windows key in the keyboard).
2. In the Search box start typing 'System Environment Variable'.
3. Click 'Edit the system environment variable' from  from the search results.
4. In the 'System Properties' window  window Advanced tab click 'Environment Variables...' button at bottom right.
5. In the 'System variables' section Variables section locate for the Path variable and click 'Edit...' button  button to open the ' Edit System Variable' Variable window. 
6. From the 'Edit System Variable' window  window copy the full text of the path variable value to a notepad window.
   Make sure that Format > Word Wrap is on for the Notepad window for easier visibility.
7. Check the value of the Path variable in the Notepad window and do any editing that is necessary.
8. When you are ready to set the value, select the complete text in Notepad by pressing Ctrl+A. Press Ctrl+C to copy the whole text.
9. Replace the copied value in the 'Variable Value' box in the 'Edit System Variable' window and click OK to save the value back to Path variable. 
10. Click OK to close the 'Environment Variables...' window.
11. Click OK or Cancel to close the 'System Properties' window.
    
    

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