1.Log into your CentOS server or VPS
2.Update all packages that are currently installed
# yum -y update
3. Navigate to the home directory
# cd
4.Install the wget utility if you don’t have it installed
# yum install wget
5.Download the installation script
# wget sentora.org/install
6.Make the script executable
# chmod +x install
7.Execute the installation script
# ./install
8.You will now get the welcome screen and it will also make sure that your system meets the minimum requirements
9.Select your time zone
10.Set your servers external domain name eg svr1.example.com
11.Once the installation has finished you will see your password for your zadmin account (root) as well as the admin passwords for MYSQL, Postfix, ProFTPd and Roundcube