2. Converting an Existing Installation (The "Portable" Method)
If you cannot find a dedicated offline installer, you can create a portable version of MT4: Install MT4 on one PC using the standard online method. metatrader 4 windows offline installer
By using a pre-downloaded package, you reduce potential vulnerabilities associated with live downloads in insecure environments. How to Get the MetaTrader 4 Windows Offline Installer metatrader 4 windows offline installer
Run terminal.exe with the /portable flag to use it without a standard installation process. Installation Requirements for Windows 10 & 11 metatrader 4 windows offline installer