1. Goto Installed location of Workflow Manager
2. Open C:\AdminStudioWebComponents_2020\Support\Config
3. Launch Config.exe and check the checkbox" Update website configuration settings(Advanced)" only and click Next

4. Provide all the information in Set Default connection and click Next button

5. Don't enter any information in Configuration settings: Administrative and click Next

6. In the Configuration Settings: Network Share under System account:
7. Enter the new password you want to provide and click on next button.

8. You can see a Configuration settings has been updated message and click on Finish button.