The Blast from the Past: A Journey with Internet Explorer Portable
- Verify source and checksum.
- Run offline or on an isolated test machine.
- Block network access with firewall rules if you don't need internet.
- Use antivirus and run in a disposable account.
- Microsoft official: legacy IE downloads (IE6–IE8) are no longer supported but archived developer VMs exist.
- Microsoft Edge’s IE mode for enterprise compatibility (recommended).
- Reputable archives / browser testing services (BrowserStack, Sauce Labs) provide legacy IE without local install.
- Internet Explorer Mode in Microsoft Edge: Microsoft Edge has a built-in "IE Mode" that uses the MSHTML engine to render pages exactly as Internet Explorer 11 would, while maintaining modern security.
- Virtual Machines: Instead of a portable app, running a Windows XP or Windows 7 Virtual Machine (using VirtualBox or Hyper-V) provides a safe, contained environment to run old IE versions without risking the host OS.