Sleipnir's main window allows you to quickly view websites and search the Internet. Websites are opened in different tabs. 

Sleipnir's View menu gives access to a lot of view options like selecting the toolbars, dock, select text size, encoding, zoom and style sheet, view source and much more. 

Sleipnir's Security menu allows you to select specific security settings for each website, enable/disable cookies and session cookies, popup block manager and more. 

Sleipnir's Options window - General tab allows you to select Sleipnir as the default browser, update notification, select the default browser engine and language. 

Sleipnir's Options window - Security tab allows you to select what types of scripts and features to be enabled for secure and full-access mode. 

Sleipnir's Options window - View tab allows you to select the user agent the browser identifies itself to a website.