First of all site administrator has to define general settings that will be applied to tagging system. Go to “Site Actions – Site Settings – Modify All Site Settings”
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Now roll down and follow the link “Virto Tagging Main settings”. On the displayed page define the settings for tags

The following options are available:
• Allow users to add tag lists or not;
• Show “All Tags” on tag adding or not;
• Maximum count of items in the tag list;
• Delimiter;
• Maximum count of items in popular tags list;
• Help String;
• Font Size