...
- Getting the legacyui
Go to https://modules.openmrs.org/#/search and search for legacyui and download the latest version. - Installing the module
After the download completes, copy the .omod file (legacyui-{versionNumber}.omod) into the modules directory of your OpenMRS Installation folder (${HOME}./OpenMRS/modules). Now you have to restart openmrs to load the module.
You can do this by either stopping and starting openmrs from tomcat manager page or just restart tomcat. The default username/password is admin/Admin123
Installing the Reference Application module