Monthly Reports Monthly Report ( March 2023 )
In this month. I solved the problem that Jetpack-Website Builder cannot use 2FA on initial setting. Also, I made a useful table of contents using Easy Table of Contents.
2FA
Monthly Reports 
Advance Preparation 3. Installing Authenticator
For setting 2FA, Install Authenticator to your mobile. It would be better to use either Microsoft Authenticator or Google Authenticator.
Advance Preparation 2. Security of Account
Configure 2FA to Google account. It elevates the security higher. In this case, configure Google Prompt, which is easy to use. It doesn't need to verify again after configuring it,