• The name of the app in the title bar of the window is MiTeC Windows Registry Recovery
• The name of the app in the "About" window is Windows Registry Recovery
• The files you download are a zipped EXE (so there is no installation needed)

Here the information extracted from the EXE file:

File name and path:     D:\PortableApps\PortableApps\_WSCCPortable\MiTeC Utilities\WRR.exe
Product Name:           Windows Registry Recovery
Internal Name:          
Original Filename:      

File Description:       Windows Registry Hive File Viewer and Analyzer
Company:                MiTeC
Legal Copyright:        Copyright (c) 2005-2019, Michal Mutl
Legal Trademarks:       All rights reserved
Comments:               

File Version String:    2.2.0.0
File Version:           2.2.0.0
Product Version String: 2.0.0.0
Product Version:        2.0.0.0