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.
is a versatile, "no-installation" version of the popular iOS management utility. It offers nearly the same powerful toolkit as the desktop version—ranging from firmware flashing to data backups—without leaving a footprint on the host computer. Quick Verdict: 4.5/5 3utools Portable Version