Download Siremis 4.1.0
Go to your desired folder (for example /var/www) and download Siremis from site http://siremis.asipto.com/pub/downloads/siremis/.
cd /var/www/ wget http://siremis.asipto.com/pub/downloads/siremis/siremis-4.1.0.tgz
Then extract Siremis folder from archive
tar -xvf siremis-4.1.0.tgz
Folder siremis-4.1.0 appears here.