Opera 30 is a web browser developed by Opera Software ASA, available for download in full install version for Windows platforms from legacy sources. This version of Opera was officially released on 2015-06-09 for public access and a brief summary of important updates and change log pertaining to this edition can be read below.

Opera 30 has been built on Chromium 43 rendering engine using JavaScript engine V8. This version is supported in Windows XP and later versions.

Bookmark manager has now extended functionality like file system. Now your book marks can be arranged in folders and accidental deletions of bookmarks can be restored from trash folders or permanently remove bookmarks be removing them from trash folder.

Addons for extensions sidebar let you have new functionality and you can download the extensions from opera portal. Tabs have extended capabilities as you can quickly view snapshots of recently opened or sync tabs. Now opera can synchronize your browser settings and preferences become handy for crash installations or adding your browser to new devices.