1. Close 2020 Fusion.
2. Click the Windows Start button.
3. Type DisplayFileLocator. This will automatically perform a Search. Click File Locator once it appears in the list.
4. Single click on PPPrefs.ini in the list.
5. A folder will automatically open, containing several .ini files. Open PPPrefs.ini.
6. Hold CTRL and F to launch search box and enter Customise.
7. Under the heading [Customise] Add a new line and enter EditHeightsOnCatChoice = "1".
8. Save and close the Ppprefs.ini.
9. Launch 2020 Fusion.
10. Create a new room and now after completing the Wall Wizard and Default Style prompts you will see the Height Table.
11. Double Click on any value that you wish to edit and enter the desired revised value.