There is typically no progress bar or visual interface; the file runs in the background and silently updates your definitions. Alternative: Windows Defender Offline (WDO) Tool

Maintaining security on an aging operating system like Windows 7 can be challenging, especially since official support ended years ago. If your Windows 7 64-bit system is offline or struggling with automatic updates, you can still manually download and install the latest (definitions) to stay protected. Direct Official Download for Windows 7 64-bit

Plug the USB into your offline Windows 7 PC, right-click the file, and select Run as Administrator .