To install a package along with dependencies, open a terminal and run:
For Debian-based Linux distributions:
dpkg -i [package]
apt-get install -f
For RPM-based Linux distributions:
rpm -i [package]
or
yum install [package]
To upgrade an existing package:
For Debian-based Linux distributions:
dpkg -i [package]
For RPM-based Linux distributions:
rpm -U [package]
or
yum update [package]