References > Creo™ Schematics Installation and Administration Guide > Preparing for Installation > Preparing to Install Your PTC Software > About PTC Installation Assistant
  
About PTC Installation Assistant
PTC Installation Assistant generates licenses and installs the Creo applications based on the license sources that you have been provided. You can perform the following tasks using PTC Installation Assistant:
Generate or update fixed or floating licenses at runtime.
Drag-and-drop previously downloaded node-locked or floating license files.
Download node-locked licenses to a specific location. In case of floating licenses, install PTC License Server.
Identify license sources listed in a PTC_D_LICENSE_FILE variable set on your computer if a license server is already running.
View a list of the available applications based on the entitlements listed in the license file.
Download and install the Creo applications from PTC.com.
Perform a simple installation. Alternatively, customize the installation to add specific features and configurations.
Reconfigure an existing installation.
See Workflow for Installing and Reconfiguring the Creo Applications for flowcharts on the installation and reconfiguration tasks.