You can add and remove add-ons, accelerators, toolbars, extensions search providers in Internet Explorer (IE) 10 in Windows 8, by following below given steps:
1) Click on Tools menu on the far right or press Alt + X.
2) Click on Manage Add-ons.
3) Toolbars and Extensions: Click on Toolbars and Extensions tab for adding or removing toolbars and extensions. On the right side you will see the toolbars and extensions which are enabled in IE. Right click on any toolbar and extension to enable or disable it. To add more toolbars and extensions click on “Find more toolbars and extensions”. You will be redirected to a IE gallery site for add-ons. When you find the add-on you are looking for, click on “Add to Internet Explorer”. If you get a dialog box to confirm “Do you want to Add this add-on?”, click on “Add”.
4) Search providers: Click on Search providers tab for adding or removing search providers. In the same way you can right click on any search provider on the right side of the dialog box and enable or disable it. You can add more search providers by clicking on “Find more search providers”. You can remove a search provider by right clicking on it and then click on Remove. If you wish to remove the default search provider, then first you need to make another search provider as default.
5) Accelerators: Accelerators can be used for adding different features in IE 10. Among many other features you can use accelerators for searching selected text and sharing specific content of sites in various social networks. Click on Accelerators tab for adding or removing accelerators. Right click on any accelerator on the right side of the dialog box and enable or disable it. You can add more accelerators by clicking on “Find more Accelerators”. You can remove an accelerator by right clicking on it and then click on Remove.