Joomla! Template ET University - Item Support

Hello after installation comes this msg:
Please install and activate helix plugin
i've install this plugin but still same
what should I do?
Hello, thank you for reply! In your email I have only link to this conversation! I install it alredy but have another problem can't edit menu items... maybe in your template some aother optons to change name etc. of menu items?
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Item Name:
ET University
Downloads:
262
Sales:
9
Created:
2018-05-14
Updated:
2019-09-23
Item Version:
3.0.0
$29.00 $23.10
Regular License
This item may be used for a single domain only.
$39.00 $31.20
Extended License

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