Download for Windows
calibre works on Windows XP, Vista and 7.If you are upgrading from a version older than 0.6.17, please uninstall calibre first.
Windows installer
(Version: 0.7.16 Changelog)
While you wait for the download to complete, please consider donating to support the development of calibre. If the above link does not work, the download is also available from sourceforge.
Previous releases of calibre are available here.
Note
If you are updating from a version of calibre older than 0.6.17 on Windows XP, first uninstall calibre, then delete the C:\Program Files\calibre folder (the location may be different if you previously installed calibre elsewhere) and only then install the new version of calibre.