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When step 2 install XWiki Enterprise Flavor - Main Wiki 9.1.2, it failed:
Unexpected error when trying to find extension dependency [org.xwiki.enterprise:xwiki-enterprise-ui-common-9.1.2] in repository [maven-xwiki:maven:http://nexus.xwiki.org/nexus/content/groups/public]:
1 problem was encountered while building the effective model for org.xwiki.enterprise:xwiki-enterprise-ui-common:[unknown-version] [FATAL] Non-resolvable parent POM for org.xwiki.platform:xwiki-platform:9.1.2: Could not transfer artifact org.xwiki.commons:xwiki-commons-pom:pom:9.1.2 from/to maven-xwiki (http://nexus.xwiki.org/nexus/content/groups/public): Read timed out @ org.xwiki.platform:xwiki-platform:9.1.2
The process bar is almost 80%, I tried again and again ....