How to make a default account among multiple Windows account?

• Log in to your Windows account.
• Click the Start menu and select "Settings" (gear icon).
• Click on "Accounts" and then select "Family & other users" from the left-hand menu.
• Under the "Other users" section, select the account you want to set as the default account.
• Click on "Change account type" and select "Administrator" from the dropdown menu.
• Once the account type has been changed to Administrator, click "OK" to save the changes.
• Sign out of your current Windows account and sign in to the account you just set as the default.
• Once you are signed in to the default account, open the Start menu and select "Settings" (gear icon) again.
• Click on "Accounts" and then select "Your info" from the left-hand menu.
• Under the "Your account" section, click on "Sign in with a local account instead."
• Follow the on-screen instructions to create a new local account or link an existing local account to your Microsoft account.
• Once the local account has been created or linked, sign out of the default account and sign back into your original Windows account.