Do not download "unpacked" versions from third-party forums. Instead, carry the official installer on a USB drive along with a portable driver installer package to set up a temporary workstation safely.
Using 3uTools Portable Version is straightforward and easy. Here's a step-by-step guide on how to use the tool: 3utools Portable Version
Since the portable version is compressed, you cannot simply download and click "Run." Follow these steps: Do not download "unpacked" versions from third-party forums
❓ What is 3uTools Portable? 3uTools Portable is a versatile all-in-one iOS management suite designed to work without installation, 3utools Portable Version