Can not upload tar.gz archives

I am trying to install Shop-Script7 and in installer package i saw .tar.gz archives. But after upload to your hosting, this archives delete automaticly. I tried ftp and online file manager. My account epiz_20536343

Extract the archives on your computer and upload the contents of the folder. Any files larger than 10 MB (and most scripts are larger than 10 MB) are deleted automatically.