Restoring earlier tabs could be easily done by History. History store all the tabs that were opened in Chrome.
Uninstall the program then reinstall it.
Reset Chrome settings from the Settings menu.
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.
Google Chrome comes default in English Language. It can be changed to English in the Settings bar.
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.
You can make screen adjustments in the settings. Google Chrome has all the changes to be applied within it.
If your computer shut down unexpectedly and you want your tabs. Chrome shows the popup to restore last running tabs.
You can set your home page as Google India in the settings of Chrome. Putting Google website with IN as the last part sets it.