Installation via WordPress plugin installer
Step 1 : Navigate to Plugins -> Add new page on your WordPress admin area.
Step 2 : Select the Upload button on the top and choose the “layersliderwp-x.x.x.installable.zip” file that you’ve extracted from the downloaded archive, then hit the Install Now button.
Step 3 : WordPress may ask you to enter your FTP login credentials. Click on Proceed when you finished.
Step 4 : The plugin is now installed, click on the Activate Plugin button.
Installation via FTP
Step 1 : Extract the archive file on your machine that you’ve in your theme folder.
Step 2 : Find the “layersliderwp-x.x.x.installable.zip” file in the extracted contents and unpack that archive as well.
Step 3 : Open your favorite FTP application and connect to your server. Navigate to the “/wp-content/plugins/” folder.
Step 4 : Copy over the “LayerSlider” folder extracted from “layersliderwp-x.x.x.installable.zip” file.
Step 5 : Navigate to the Plugins page on your WordPress admin area and click the Activate button below LayerSlider WP.