The mention of "serial number minitool partition wizard 128 2021" seems to imply a search for a serial number or perhaps a specific version (e.g., version 12.8, released in 2021) of the software.

MiniTool offers a legitimate free version. It covers basic needs such as: Creating, deleting, and formatting partitions. Moving or resizing partitions. Checking file system integrity. Converting FAT32 to NTFS. 2. GParted (Open Source)