It's great to hear that you were able to install LastPass on Windows 8 Developer Preview successfully and that it's working well for you. LastPass is a popular password manager that helps users securely store and manage their passwords.
Since you mentioned that it works well in both Internet Explorer 10 and Google Chrome 14 browsers, it seems like the extension seamlessly integrates into these browsers, allowing you to conveniently manage your passwords across different platforms.
If you have any questions or need further assistance with LastPass or any other Windows-related queries, feel free to ask!