A runs without installation. Legitimate portable software is available from trusted sources like PortableApps.com . For system tools, avoid any download that:
The executable is capable of recording keyboard and mouse inputs and connecting to the internet. Security researchers at PCrisk have found it is often bundled with other unwanted software like browser hijackers. winthruster repack 7502 portablerar hot
The specific "Repack Portable.rar" version you mentioned is particularly "hot" (a term often used in piracy circles for newly cracked or popular uploads) for the following reasons: Safe - Microsoft Q&A A runs without installation