You can easily change your account email by logging to your Hostinger account.

Once you are logged in, click on your Avatar and choose Account Information (or My Profile) option:

In new interface

Once there you will see the Profile Information section, click on an arrow near Email from there:

Enter your new email address and click on Save changes:

In old interface

In the left part of your Profile page click on Edit profile. All you will need to do is enter a new email address and click on Save Changes:

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