download:
https://www.oracle.com/database/technologies/oracle-database-software-downloads.html#12c
12c has two files, a first file containing the installation, only some components of the second file
When extracting the second compressed winx64_12102_database_2of2 (1) \ database \ stage \ Components directory are copied to the same first compressed packet
Start the first package setup program compression
Installation according to step
Note: The grid installation option I see other versions Without this step, the default is like, does not affect the use of
Configuring later updated