The Maxthon addon can be found on Maxthon Extension Center or through the mirror. To install YouTube Center on Maxthon you can either install the addon or Violetmonkey and then just install the userscript. To install YouTube Center in Internet Explorer follow this tutorial by Awesome Donkey. You need to install the Safari addon, which can be found here. One for older versions of Opera Chrome addon mirror. Note that you also have to have enabled developer mode to actually be able to use the Chrome addon. The Chrome addon needs to be installed by going to the extension page and dragging the Chrome addon file (.crx) into the extension page. You can find more information about YouTube Center on its wiki. To install YouTube Center just click on the green button, which says 'Install'. It's is discouraged to install the userscript natively in Chrome as that makes a few features unavailable. Make sure that you have Greasemonkey, Tampermonkey or Violetmonkey installed to actually be able to use the userscript version. It's recommended to install the addon for your browser.

YouTube Center is a userscript, which has been made into an addon for Firefox, Safari, Chrome, Opera and Maxthon. YouTube Center is designed to look as much like YouTube's design as possible.

YouTube Center is YouTube Center comes with many features, including the ability to download videos, repeat videos, change the default quality of the video to be played by default and etc.

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