AOMEI Partition Assistant was first released in 2009 by AOMEI Technology, a Chinese software company. At that time, it was a simple partition management tool that allowed users to create, delete, and resize partitions.

Over the years, AOMEI continued to update and enhance the software, adding more features and capabilities. In 2012, AOMEI released Partition Assistant Technician Edition, which was designed for technical professionals and businesses.

You're referring to AOMEI Partition Assistant Technician Edition 10.0.2!

The "Portable" version of AOMEI Partition Assistant Technician Edition 10.0.2 allows users to carry the software on a USB drive or other portable device. This makes it easy to use the software on multiple computers without having to install it.

That's a powerful partition management tool that offers advanced features for managing disk partitions. Here's an interesting story about it: