Buy Now Button or Popup Not Showing? Common Fixes

If the Buy Now button, the popup or the sticky bar does not appear, check these in order.

CheckFix
The module is offSwitch it on in the dashboard or its tab, and check the main Enable Plugin switch.
Display rules exclude the productOut of stock, sale only, user roles or product types on the Buy Now tab.
Grouped or external productThey cannot be bought in one step, so Buy Now never shows.
Cash on delivery is offThe Quick Order button needs Cash on delivery enabled in WooCommerce.
Safe mode is onTurn it off on the Compatibility tab.
Theme or page builder templateRun the front-end self test. Try another Button Position, or place it with the shortcode.
Cached pageClear the page cache of your cache plugin or host.