The default locations depend on your operating system:
- Windows: %LOCALAPPDATA%\JetBrains\Toolbox\apps
- macOS: ~/Library/Application Support/JetBrains/Toolbox/apps
- Linux: ~/.local/share/JetBrains/Toolbox/apps
Unfortunately, the Toolbox App installation location cannot be changed now.
Here’s an open issue about it: TBX-5327.
Nevertheless, feel free to comment or upvote.
Reference