Google Chrome comes default in English Language. It can be changed to English in the Settings bar.
You can translate from Italiano to English in chrome easily. Go to setting and then advanced settings, select English in language tab.
Reset Chrome settings from the Settings menu.
Restoring earlier tabs could be easily done by History. History store all the tabs that were opened in Chrome.
To change google chrome keyboard back to English you first click on settings and then languages and click on English or double click on English and it should have changed to English.
Google Chrome will work on the same server settings as all other browsers.
You could sync Google accounts to Chrome. This can be done by the people's tab in the Settings.
The default tab in Google Chrome is empty. You can set the homepage by selecting the Settings tab.
Open Applications, left click the Chrome icon and drag it to the dock.
You can always change your homepage from Chrome settings. Set it to Google as the default page on Chrome.
The question seems like incomplete. If you want to know how to make Chrome as a default browser then type chrome://settings in address bar and hit enter. On the Settings page you can make Chrome as default browser.If by 'activate' you mean that how to make Google Chrome working then try reinstalling Google Chrome. It is recommended to uninstall the current version then install the latest version from Google Chrome Website.Website for Google Chrome is mentioned in Sources and related links(below).
There is no way to restore them in one go unless you had a crash. In case of a crash, chrome asks you to open them all.