conda update package to specific version code example

Example 1: conda update package

# Basic syntax:
conda update packagename # To update specific package in the current env
conda update --all # To update all packages in the current environment
conda update -n myenv --all # To update all packages in myenv environment

Example 2: conda import specific version

conda install <pkg>=<version>

#for example

conda install matplotlib=1.4.3