Yes — WordPress themes can be changed at any time through the Appearance > Themes menu. Your posts, pages, and media stay intact since content is stored separately from theme files.
What Changes and What Doesn’t
Switching themes changes your site’s layout, styling, and widget areas, but your actual content (posts, pages, images) remains untouched in the database.
What Can Break
Custom code added through a theme’s functions.php, theme-specific shortcodes, and page builder layouts tied to the old theme can break or need rebuilding.
How to Switch Safely
Back up your site first, test the new theme on a staging copy, and rebuild key pages with a builder like Divi so your design isn’t locked to one theme.
Key Takeaway
Changing themes is safe with the right precautions. Need a smooth theme migration? See our Divi web design services.