Modified executables can contain malware, ransomware, or keyloggers. Running an untrusted portable ZIP exposes your system and data to significant threats.
If you had a legitimate license for Office 2013 and wanted to make it portable via third-party tools (like Cameyo, ThinApp, or VMware ThinStall), the process would look like this: Ms Office 2013 Portable Zip
: Because these are unofficial builds, downloading a "Portable ZIP" from third-party sites carries a high risk of bundled malware or spyware Modified executables can contain malware