Here's the deal. We share our assets with you, you set a link to icons8.com wherever you use them. You get top-notch graphics for free, we get some exposure. A win-win! Below you find example with the most frequent use cases.
Websites and apps
Websites
Add a link to icons8.com on all pages using our content. If that's most pages, a link in your footer is fine.
Mentions of @icons8, tagging #icons8, using sticker links to icons8.com, or their combinations are all fine.
Digital products
Presentations
Mention icons8.com on the slides with our content or on the final slide.
E-books
Mention or add a link to icons8.com in the copyright section of the book or on the pages with our graphics.
Indie games
Mention us in the Credits section. And we would love to have a copy of the game!
Other
Printouts
Mention Icons8 anywhere in the document.
Physical goods
Put a link either on your website if you have one, description of the item, or on the physical product itself, if possible. The reference must be legible.