Open Audacity, and then open a music file on your PC. You might open an original song file that you previously worked on or a song from your favorite band that you want to edit or remix. To open your file, click the "File" menu at the top of your screen, hover your mouse over the "Import" option and click "Audio" on the drop-down menu.
Click the green "Play" button to begin playing your imported file. You will see a vertical meter moving horizontally along your screen past the animated waveforms that represent your imported audio. You will find an image of a ruler or timeline (representing your time in seconds) above the horizontal waveforms. When you reach the point where you want to insert an edit, click the brown "Stop" button.
Drag your mouse over the portion of the audio that you want to edit. For instance, if you want to add an effect to a song's chorus that begins at "1:30" on the time line and ends at "1:55," you would drag your mouse over the animated waves beginning at "1:30" and ending at "1:55." You have now highlighted a portion of your region for editing.
Click "Effect" at the top of your project menu to see a list of available audio effects. For instance, you can add a bass boost, change the speed of the recording or add an echo. When you see an effect that you want to use, click it once. You can then set specific parameters (such as the amount of intensity). If you do not wish to insert an audio effect, skip to the next step.
Click the "Cut" tool to delete your selected region if deletion is your goal. The "Cut" button appears on the left side of the screen above the timeline, and it looks like a pair of scissors.
Click the "Draw" tool to add to your existing waveforms on the animated image. If you have small clicks or pops ruining your recoding, you can use the "Draw" tool. Use the "Zoom" tool to zoom in until you can see the individual grid samples (indicated by dots) on your waves, and then use the "Draw" tool to click the sample that's causing the unwanted noise interference. The unwanted sample will stick out on the grid, usually stretching much higher than the other animated waves. Drag the sample downward (toward the center) with your mouse until the click or unwanted sound disappears.
Click the "File" menu and select "Save Project" to save your edited song. Alternatively, click "File" followed by "Export" to convert it to an audio file, such as an MP3.