Capo is not available for Windows but there are some alternatives that runs on Windows with similar functionality. The best Windows alternative is Sonic Visualiser, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Capo and eight of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Capo are Transcribe! (Paid), Amazing Slow Downer (Freemium), AudioRetoucher (Paid) and AnthemScore (Paid).
Change the speed of the music - from 20% (one fifth speed) to 200% (double speed) without changing the pitch. Wrong key? Change the pitch in semi-tones - at full or changed speed. Out of tune? Adjust the pitch in cents (100ths of a semi-tone) to suit your instrument.
The SPT-667 Phrase Trainer makes learning riffs by ear really simple. Say you want to copy a guitar solo. The Phrase Trainer lets you to load the song (wav,mp3,wma etc...) slow down the playback speed to as little as 50% (or speed it up to double-speed,why not?