Unsurprisingly, it is possible to use the integrated Google Talk client in GMail even if you’re in Safari on Windows: Enable the debug menu and change your user agent to a supported browser, such as “Firefox 2 — Windows”. The only problem I’ve had is that the contact list extends a bit past its container and partly obscures a few mail checkboxes. Not a big deal, and worth it for your daily fix of silky smooth OS X fonts. Integrated Google Talk in Safari for Windows