MySql5.5 installation detailed instructions

Open the MySql5.5 installation file to start:

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click Next to

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tick, then click Next and

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click Custom, the instructions are as follows:
Typical (typical installation)
Installs the most common program features. Recommended for most users.
Means: install the most commonly used program features. It is recommended for most users.
Custom (Custom Installation)
Allows uers to choose which program features will be installed and where they will be
installed.
Recommended for advanced users. It means: Allows users to choose which program features will be installed and where they will be installed. Recommended for advanced users.
Complete (complete installation)
All program features will be installed.
Requires the most disk space. Means: all program features will be installed and require the most disk space.

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Here is a detailed explanation:
Click the + button on the left of Developer Components, and it will If you see the icon with it, it means that the content here will not
be installed on the local hard disk. The ones with icons are installed on the local hard disk by default.
Developer Components (developer part):
Left click on the small down arrow to select Entire feature will be installed on local hard drive.
Means: This part and the sub-parts are all installed on the local hard disk.
MySQL Server (mysql server): do as above.
Client Programs (mysql client program): do as above.
Documentation: Do as above.
Server data files: Do as above.
Debug Symbols: Do as above.
Do this to ensure that all files are installed. If it is an icon, you don't need to worry about it. Click Next after the operation.

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Click Install

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pop-up window, in this window, click Next

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Click Next

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check mark, meaning start the MySQL instance configuration wizard
and click Finish

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Click Next

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point of the first "Detailed Configuration", then click Next

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to select the first "computer personnel development , Or it’s a developer machine"
and then click Next,

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click the first "multi-function database"
and then click Next.

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This is about the InnoDB table space settings. Just click Next and

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select the third one, which means: simultaneous online or yes The number of concurrent connections, I choose 20 here (note that the number of connections should not exceed 20,
otherwise the installation may fail)
and then click Next

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Don't worry about the small box behind 3306, this is the firewall exception that added this post.
Click Next directly to

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select the third one, and the coding depends on your situation. I chose UTF-8.
If you don't know how to choose, then choose UTF-8 like me and

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tick dos, which means that the Bin directory is included in the Windows path.
Then click Next and

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tick it, which means "Enable root access from remote computers".
This step asks whether you want to modify the password of the default root user (super administrator) (default is empty).
If you want to modify the "New root password", click this fill in the new password (if it is heavy, and has been previously set a password here to change the password
may be wrong, please leave blank and "modify Security settings" before removing the hook, install another configuration is complete
line change passwords ), "Confirm (enter it again)" and fill it in again to prevent typing mistakes. "Enable root access from
remotemachines (whether the root user is allowed to log in on other machines, if you want to be safe, don't check it, if it's
convenient, just check it)". Finally, “Create An Anonymous Account (create an anonymous user, anonymous users
can connect to the database, but cannot manipulate data, including queries)”. Generally, there is no need to tick it. After setting, press “Next” to
continue.

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Click Finish
to get here, and the installation of MySql5.5 is complete.