Internet Explorer Portable Old Version [patched]
Malicious sites can easily execute code remotely through unpatched ActiveX or JavaScript vulnerabilities. Safe Usage Best Practices
If you struggle to get a raw portable version working, is a powerful alternative. It is a free Windows application that contains the rendering and JavaScript engines of IE5.5 through IE11. You can switch between engines via tabs to see how a website renders without actually installing the old browsers as standalone programs. internet explorer portable old version