First, make sure you have a "master key"

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Implement access policies: Establish a clear access policy that describes who can access Google Analytics, how access is granted or revoked, and expectations for responsible use.
Communicate access changes: Notify users promptly of any changes in access or permissions. Keeping users informed ensures transparency and avoids misunderstandings.
Keep your account recovery information up to date: Make sure your Google Analytics account recovery information is up to date. This includes backup email addresses and phone numbers in case you need to regain access.
Regularly Back Up Your Data: Regularly back up your Google Analytics data bc data vietnam to prevent loss in the event of accidental deletion or other unexpected events.

Before you can allow other users to log into your account, you need to make sure you have the appropriate permissions, also called the “Master Key.” In Google Analytics, only users with the “Manage Users” permission will be able to add or change access to other users. If you are an admin or an account owner, you should already have this permission. But if you are not an account owner or do not have access to the settings in the control panel that handles user management, you will have to request the “Manage Users” permission from the admin. Then and only then can you confirm that you have this level of access, and you will be good to go.

Logging into Google Analytics allows you to select the account and property you want to administer, then click Admin. This will take you to the Account User Management or Property User Management section, depending on the level of access you want to grant. Here, you can add users by entering their email addresses and selecting the appropriate permissions.