If you plan on carrying it with you, select your USB Drive . If you want a "stealth" version on your PC, select a folder in your Documents or a Cloud Sync folder. 3. Launching the App
Effortlessly convert PDFs to EPUBs or AZW3 for your Kindle.
Calibre Portable is the full-featured Calibre e-book management suite packaged to run without an installation process. It stores the application, your settings, and your entire book library within a single folder. Why Choose the Portable Version?
Since the library and the program are in the same folder, losing your USB drive means losing your books. Periodically copy the entire Calibre Portable folder to your main computer or cloud storage.
When a new version of Calibre is released, simply download the new portable installer and point it to your existing Calibre Portable folder. It will update the program files while leaving your library and settings untouched. Conclusion
It doesn't leave traces in the Windows Registry or create hidden folders in your AppData. How to Download and Set Up Calibre Portable for Windows
Host your library over your local Wi-Fi so you can download books to your phone or tablet without plugging them in. Best Practices for Calibre Portable Users