Open Ableton Live. This automatically opens up the most recent session.
Open the relevant session. If the most automatically opened session is not the one you want, click "File" and select "Open Recent." Select the session in question from the drop-down menu.
Click "Arrange View." This is button with three horizontal lines, at the top-right of the screen. This opens up a display of mixer sliders and effects menus that you'll use for mixing.
Press "Play" so you can listen to the mix changes as they occur.
Balance the volumes. Start with the vocal track and adjust the gain slider dial upward or downward. The vocal should be easily audible above all of the other instrumentation. Adjust the gain level of the kick drum. It shouldn't be louder than the vocal, but it should be clearly audible. Depending on the remaining instrumentation, adjust the levels to suit your own preference.
Click on a channel strip to select an instrument for equalization. This assigns subsequent alterations and settings to that specific channel. Typically, the mixing process starts with the bass instruments but you can start with whatever instrument you feel needs the most attention. For example, if the bass sound is "muddy" you may want to fix that before equalizing the remaining instruments.
Click "Tools," select "Equalizer Three." It has four virtual dials, "GainLow," "GainMid," "GainHi," "FreqLow" and "FreqHi." Adjust these to shape the tonal characteristics of instrument. For example, for a "muddy" bass reduce the "FreqLow" dial to reduce the prominence the strength of the low frequencies. To increase the brightness of a dull-sounding instrument, adjust "GainMid," and "FreqHi." Experiment with the dials to get an understanding of how the sounds interact with the sound of the music.