It is possible using an SSH program and of course you have SSH at your hosting.
So here are the steps
1. With the SSH program let say PuTTY login at your hosting and go to public_html folder or what ever is your WWW folder
2. type the next to download Elxis at your server
wget http://www.elxis-downloads.com/com_downloads/download.html?id=175
(Always check from the EDC
http://www.elxis-downloads.com/com_downloads/elxis-cms/ if it is the latest version)
3. then rename the file to elxis.zip using the following command
mv thename_of_download.extension elxis.zip
4. and finally unzip it:
unzip -uo pandora.zip
And now you have you latest Elxis in 1 minute and you are ready to start the Installation
