Export Data: Use WordPress tools or plugins to export posts, pages, media, and metadata as CSV/XML.
Set Up ProcessWire: Install ProcessWire and create fields/templates to match your content structure.
Import Content: Use ProcessWire’s Import Pages module or custom scripts to bring in data.
Transfer Media: Upload files via FTP and update paths in your content.
Redirect URLs: Map WordPress URLs to ProcessWire pages to retain SEO.
Test Thoroughly: Verify all pages, media, and functionality before going live.
I hope it'd be helpful.
