FREE Recording Software
Audacity is a great audio recording and mixing software application that is totally FREE and has also the standard features plus many of effects and mastering options. A great piece of software to use for those getting started with audio recording. Capable for professional results and has enough depth for beginner and intermediate use.
Acid Music Studio (Sony)
If you want to take it up a level, Sony's Acid Music Studio is a great DAW application capable of simultaneous multi-track audio and MIDI recording. Includes all of Sony's classic audio processors and effects. Music Studio is built for Windows users, and us super intuitive. Compared to Logic on the MAC.