If you want to avoid the standard installer or run it from a USB, you can create your own portable folder:
Cheat Engine is an open-source software developed by Eric Heijnen, first released in 1999. It allows users to scan and modify the memory of other applications, effectively altering game behavior or parameters. The software has been a subject of interest for both gamers and game developers, serving as a tool for cheating in games but also as a learning instrument for understanding software development and reverse engineering. cheat engine 74 portable link
Double-click Cheat Engine.exe from your portable folder. No installation prompt appears. If you want to avoid the standard installer