Step 4: Copy the user name on the newly popping-up window to Word or a place you prefer. Step 3: Select the user account you want to hide and then click the Properties button. Step 2: On the Run window, please type netplwiz and click the OK button to launch User Accounts.
Step 1: Press the Windows key and the R key on the keyboard simultaneously to call out the Run window. Here is the tutorial on checking the exact name of the user accounts. To complete this work, you need to get the full name of the user account you want to hide from login screen first. Stage 1: Get the Full Name of Your User Account
Note: It is not recommended that you hide all the accounts, including your own, because it is maybe tough to get back in.