Click File > Render

(or CTRL + ALT + R)

Make sure all settings are correct

Source should be set to “Master mix” and Bounds should be “Entire project”.

Choose your output directory and name the file.

Select the file type you’d like.
(WAV is best quality but very large, MP3 is lower quality but easier to send and share)

Click “Render 1 file…”

Your song will render and appear in the directory you selected.