1. You must create account on Disqus site: https://disqus.com/
2. The you must add Disqus site: https://disqus.com/admin/create/
3. Copy value which you insert on input "Website Name", this is "Disqus Domain" in configuration my plugin
4. Pase value from input "Website Name" to "Disqus Domain" in configuration my plugin and save
5. Then you check if disqus plugin is avaible on your site
If you want integrate oxwall accounts on your site with Disqus, then:
1. You must sent message via https://disqus.com/support/?article=contact_SSO and request disqus keys
2. If Disqus Team reply with keys, then paste it on configuration my plugin and save