This official extension allows you to highlight any text on a webpage and translate it instantly via a pop-up icon.

Go to (or "More tools" in older versions) and select "Install page as app" or "Create shortcut" . Check the box "Open as window" and click Create .

While Windows 7 has reached its end of life for official support, many users still rely on it for daily tasks. If you are looking for options, it is important to know that Google does not offer a standalone ".exe" desktop application.

Several developers have created "wrappers" or clients that bring Google Translate directly to the Windows 7 interface without needing to open a browser tab. Google Translate for Chrome - Download

If you don't want a separate window, a browser extension is the most efficient way to translate text while surfing the web.