PC version Fans have made a PC version. Some are still early, so read the project page first.
Fans took Banjo Kazooie Recompiled Stereoscopic 3D apart and rebuilt it so it runs natively on a computer, often with widescreen, higher frame rates and mods. Here is the project we know about:
PC Port of Banjo-Kazooie made using N64: Recompiled (Windows/Linux/Mac)