The procedure consists of the following steps:
1. Load your dataset (in the WoS format) to your MySQL database on localhost: Data>Import/Export>Built-in Database: Create a New Project: Browse, Import
2. Extract noun phrases or use existing keywords: Keywords/Phrases> Extract Noun Phrases
3. Configure the construction parameters as you go: Keywords/Phrases>Visualize a Hierarchy of Phrases: Use All Keywords; Filter(No); Select the types to include (None for Phrases); Select phrases from (1 - titles, 2 - abstracts, or 3 - both); Minimum Occurrences Required (1).
4. Interact with the visualized hierarchy (a concept tree)
Here are some screenshots of a few critical steps. For more details, see How to Use CiteSpace, Section 4.3.6 (Also attached below to the blog).

Figure 4.30 Load your dataset (in the WoS format) to your MySQL database on localhost: Data>Import/Export>Built-in Database: Create a New Project: Browse, Import

Figure 4.32 Extract noun phrases or use existing keywords: Keywords/Phrases> Extract Noun Phrases.

Figure 4.33 Configure the construction parameters as you go: Keywords/Phrases>Visualize a Hierarchy of Phrases: Use All Keywords; Filter(No); Select the types to include (None for Phrases); Select phrases from (1 - titles, 2 - abstracts, or 3 - both); Minimum Occurrences Required (1).

Figure 4.39 Interact with the visualized hierarchy (a concept tree).