When someone updates the old Windows to Windows 10, the local user automatically switches to the new Windows 10. Once we talk about a clean installation, installing Windows 10, a local user account is added in the installation process. However, if you would like to add a local user account to your Windows 10 PC, this guide will help you.
Most Windows users do not create a secondary account for their computer and share the primary administrator account with everybody. It is bad practice, and we have to get rid of that habit.
For security reasons, it is necessary to create a secondary account for yourself (so that you are not always logged in with administrator privileges) is an excellent idea, which greatly increases your machine’s security.
Creating separate local accounts for your children or other users means they can configure things as they wish. They’re going to have separate user files, documents, images, and so on.
How do I configure my new local user account on Windows 10?
Step 2. From the Accounts page, open the “Family and other users” tab.
Step 6. Enter a username, password, confirm the password, set three security questions and answers, and then click on the

Step 7. Clicking on the “Next” button will lead you to the previous “Family and other users” window. This will show you that your new account is listed. The first time someone logs in using the account, Windows will create user folders and complete the setup.
Click on the “Change account type” button to view the next window:-

You can change the Standard User account to Admin account from there.