Update plugin from older to newer version release, if you are use the FREE version of Booking Calendar.

1) Open the WordPress Plugins menu page at your admin panel of your site. You have to see at the bottom of the Booking Calendar the line about he new version is available.
2) Click on update link and wait until the plugin is downloaded, installed and reactivated.
3) You are need to wait until the message will show that the plugins is reactivated successfully. It's important.
4) If you are by some reason will get the some error messages, please make the reactivation process:
- open firstly the General Booking Settings menu page, and at the right side of the page recheck that this option "Delete booking data during uninstall" is turned Off (unchecked), otherwise all your booking data during deactivation will be deleted;
- open the WordPress Plugins menu page and click on "Deactivate" link of Booking Calendar. Wait for the message "Plugin is deactivated successfully". It's important.
- open the WordPress Plugins menu page and click on "Activate" link of Booking Calendar. Wait for the message "Plugin is Activated successfully". It's important.
Please clear the browser cache, because update can have a new updated CSS or JS files.
Now you can use your updated version.