Has anyone done an edirectory upgrade to 8.8.8?

Installing and Upgrading NetIQ eDirectory on Windows:

Upgrade Requirements of eDirectory 8.8

There are 2 guides on the upgrade. Which guide should I follow? Or
should I follow both?

If possible, please briefly advise how to go about doing the upgrade.
The information in the documentation is very confusing.

Thanks a million!

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