How to install Oracle12c on WIN7

How to install Oracle12c on WIN7

Environment: WIN7 64-bit + Oracle 12c (12.1.0.2.0)
Method: Graphical Installation

Log on to the system as an administrator:
1. Double-click setup.exe under the databasedirectory

Remove the "receive Security Updates" check box and click Next.

2. Wait for a while before

Here I see the error INS-30131:

For example, it is normal after the Server service is started:

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9. note that the password set here best meets the Password Complexity policy of Oracle (that is, there are uppercase and lowercase characters, numbers, and more than 8 digits). Otherwise, the subsequent listening configuration may be faulty, we recommend that you select "Create a new Windows user"

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18. Set the password for simplicity.

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20. Check the items. After confirming there is no problem, click "Install"

21. Start Installation

In the meantime, an error "INS-20802 Oracle Net Configuration Assistant" failed:
Create a database.
The key is to check the generated log information and find the specific error cause based on the log content so as to locate and solve the problem well.