Grover Podcast is the best app to manage your favorite podcasts on Windows. Features:

Stream podcasts directly from app Search and subscribe to podcasts using the search box. (iTunes API Integration) Option to automatically remove podcasts already listened Option to show system notification when there's new podcasts available Option to automatically download new podcasts Reorder the podcasts catalog (Drag / Drop) Themes Light and Dark Full integration with system audio playback Support for import/export OPML files.