3 Contacting the uploader or content creator.1.1 Requirements of frequently-used licenses.1 How to comply with a file's license requirements.Content in the public domain may not have a strict legal requirement of attribution (depending on the jurisdiction of content reuse), but attribution is recommended to give correct provenance.some licenses require that if you modify the work, your modifications must also be similarly freely licensed and finally.some licenses require that the specific license be identified when reusing (including, in some cases, stating or linking to the terms of the license).

some licenses require that the original creator be attributed.Content under open content licenses may be reused without any need to contact the licensor(s), but just keep in mind that:.You do not need to obtain a specific statement of permission from the licensor(s) of the content unless you wish to use the work under different terms than the license states. However, almost all content hosted on Wikimedia Commons may be freely reused subject to certain restrictions (in many cases). The Wikimedia Foundation owns almost none of the content on Wikimedia sites - the content is owned, instead, by the individual creators of it. …each may have different requirements for crediting a photographer, linking a license, etc.All images on Commons should be reusable but….

How to use keylight 1.2