As a Unity game developer, it does not need to be so troublesome to make a keystore. Unity itself has its own function of making a keystore.
1. Checking Create New Keystore means generating a new keystore
2. Click Browse keystore. That is, set the path and name of the keystore made.
3.Keystore password: Set the password of the keystore
4.Confirm password; determine the password of the keystore
5.Key: After clicking Unsigned (debug), there will be a drop-down list to select Create a new Key. And pop up a secondary pop-up box settings.
6. Alias in the secondary pop-up box: set alias
7.password: password
8.confirm: Password confirmation.
9. Other settings can be set as required.
10. Finally click Create key.
11. Finally click Build in Build Setting.
12. After the final package is successful, there is a keystore file.