The new Release 20.03 is out! You can download binaries for Windows and many major Linux distros here .
Did you try following the wiki directions?https://wiki.codeblocks.org/index.php/FAQ-Settings#Q:_How_do_I_make_Code::Blocks_portable.3FI think that CBLauncher is now part of Code::Blocks; but, I forget how it is used.Tim S.