1. Download Audio Editor and Install it
2. Run Audio Editor and Click on the 'Edit Audio' Button
3. Click the Open Button to Open Audio Files
4. Start Editing Audio Files
If you need to enhance or edit a portion of audio then select it by clicking within the Waveform Display and without releasing the left mouse button, move the cursor to the left or right to make a selection. when done, release the mouse button.
Then use upper menu buttons to Cut or Copy that section. Also, Trim audio and remove unwanted parts.
5. Save Changes
Audio Editor provides editing tools to enhance and customize the audio file professionally.