1. The two compressed packages downloaded from the Internet must be decompressed to the same directory. That is to merge the database/stage in win64_11gR2_database_2of2 into the database in win64_11gR2_database_1of2
2. Be sure to select "Server Class", then "Single Instance Database", then "Advanced Installation"
and then default all the way, the Oracle base directory can be modified
3. There are usually two errors: when you open the installer at the beginning, you will be prompted that the minimum configuration of the environment is not met, just click "Yes"; if you check the prerequisites, errors may be detected, and you can ignore them.