The term "portable" in your query refers to a version of the software that runs directly from a folder or USB drive without writing data to the Windows registry or requiring an installer.

: It supports nearly all known disc image formats, including ISO, BIN, IMG, CIF, NRG, and MDS , and can convert them to the industry-standard ISO format.

is a legacy version of the popular disc image management utility, widely known for its ability to create, edit, and convert ISO files for PCs. While newer versions like 9.7.6 are currently available, the 9.3.6 release remains a common search for users looking for a lightweight, "portable" solution that does not require a traditional installation. Core Features of UltraISO 9.3.6.2750

: It is a preferred choice for making bootable USB flash drives or CDs/DVDs for operating system installations.

: Users can mount ISO files to a virtual drive to access data as if a physical disc were inserted into the computer. Portable vs. Full Version