How to INSTALL and CONFIGURE Oracle Database 18c EXPRESS on Windows?

Oracle has introduced multitenant architecture from Oracle Database 12c.

In Oracle Database 18c Express edition, the CDB database (multitenant architecture) is created by default. Oracle doesn't provide any choices to during the installing process.
However, Oracle database 18c technically still support Non-CDB (the traditional architecture), and we will find down how to replace the default CDB database by Non-CDB database.