WordPress installation

If you installed the free version previously, then you have to delete it! You can do this via the WordPress plugin manager. Be calm our system will keep your sliders.


Download the latest installer from our site.
Login → Plugins → Add new → Upload in .zip format → Browse the installer → Install button → Activate

After the activation you should see two plugins, the Nextend and the Nextend Smart Slider 2 Full.

Alternative installation

You can install the Smart Slider by unzipping the nextend-smart-slider2-full.zip file into your computer, also you can find a nextend.zip file in the nextend folder, what you should unzip too. Copy these unzipped nextend-smart-slider2-full and nextend folders into your website’s wp-content\plugins\ folder. After this you will see them in your Plugins list, and all you have to do is to activate them.

Errors during installation

Server file upload limit blocks the installation

Some server has small file upload limit in the php.ini configuration. This causes, that you can not upload the installer to the server. In this case try the alternative installation method or try to increase the limit in the php.ini

upload_max_filesize = 10M
post_max_size = 10M
The package could not be installed

The package could not be installed. No valid plugins were found.
Plugin install failed

If you receive this error message, then make sure, that you have downloaded the WordPress version of the installer, because defaultly the Joomla installer is selected at the download area.

Plugin could not be activated

Plugin could not be activated because it triggered a fatal error.
It seems like that the WordPress installer can not write /wp-content/plugins
Please install manually the following library plugin: wp-contents/plugins/nextend-accordion-menu/nextend/nextend.zip => Then you can activate this plugin!

You should follow the instructions of this error message. Download the nextend.zip from your website’s path, what you see in the message, or from our download area, and install it as a new plugin, then activate it, and you will be able to activate the Nextend Smart Slider 2 Full plugin too.