File archiver with a high compression ratio without installation.
Download Portable 7-Zip beta Online (0.4 MB) 09/08/15
Download Portable 7-Zip Online (0.2 MB) 09/08/15
Extract and run 7-ZipPortable.
If you have Notepad++Portable or UltraEditPortable in the same foder as 7-ZipPortable you can choose one of them as editor (F4) by changing one (not two) false to true in 7-ZipPortable.ini.
Settings of installed 7-Zip should be preserved.