To check to see whether there are updates for a product's existing features (requires Internet access):
Feature versions can be digitally signed by the company that provides them. This allows you to verify more easily that the features and plug-ins that are about to be downloaded and installed are coming from a trusted supplier.
Warning: Because of the possibility of harmful or even malicious plug-ins, you should only download features from parties that you trust.
Click Install to allow the downloading and installing to proceed.
Using the classic update manager
Inspecting the current configuration
Installing new features with the update manager
Enabling, disabling, and uninstalling features
Controlling the Eclipse update policy
Scheduling automatic updates
Restoring a saved configuration