1. Extract the ezmultiupload archive to the extension folder.

2. Enable ezmultiupload extension in site.ini.append.php

[ExtensionSettings]
ActiveExtensions[]=ezmultiupload

Alternatively, activate it in the Administration Interface. First, click the Extensions link in the Setup tab. Then, mark the checkbox corresponding to the “ezmultiupload” entry andclick the "Apply changes" button.

3. Grant access to the “ezmultiupload” module for the users and user groups who will need to use the eZ Multiupload functionality.

4. Update autoload array by executing following command from eZ Publish root:

$ php bin/php/ezpgenerateautoloads.php -e

NOTE: Update script require eZ Components.

5. Upload interface is accessible by pointing your web browser to /ezmultiupload/upload/NODE_ID. For example: http://www.example.com/ezmultiupload/upload/2 or by including the parts/websitetoolbar/ezmultiupload.tpl template in website toolbar template. You can do that by adding the following into it:

{include uri='design:parts/websitetoolbar/ezmultiupload.tpl'}

ezmultiupload icon will appear automatically in eZ Website Interface LS 5.0.0/eZ Flow LS 5.0.0 website toolbar.

6. Clear the cache.