this will work for Eclips lastest version up to this point:
2-Install Eclipse Sapphire: https://download.eclipse.org/sapphire/9.1.1/repository/
4-copy URL link above.
5-open your eclips : go to help > install new software
6-paste the link that you copied in “Work with” text field and then press ENTER
7-then click on next and follow installation.( your need to restart your eclips after finishing installation )