OsiriX is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is 3D Slicer, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to OsiriX and many of them is available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to OsiriX are InVesalius 3 (Free, Open Source), MicroDicom (Free), Weasis (Free, Open Source) and DICOMan (Paid).
MicroDicom is application for primary processing and preservation of medical images in DICOM format It is equipped with most common tools for manipulation of DICOM images and it has an intuitive user interface.
Weasis is a multipurpose standalone and web-based DICOM viewer with a highly modular architecture. It is a very popular clinical viewer used in healthcare by hospitals, health networks, multicenter research trials, and patients.
DICOMscope is a free DICOM viewer which can display uncompressed, monochrome DICOM images from all modalities and which supports monitor calibration according to DICOM part 14 as well as presentation states.
Athena DICOM Viewer is a breakthrough medical imaging software, an evolution of DICOM Viewers. Developed to high production, Athena incorporates many useful resources, shortcuts and tools to have a better diagnostics and increase production.
What is MIPAV? The MIPAV (Medical Image Processing, Analysis, and Visualization) application enables quantitative analysis and visualization of medical images of numerous modalities such as PET, MRI, CT, or microscopy.