Changing User Name and Windows Profile Folder Without WinRE

This guide uses the built-in Administrator account to rename the main profile folder and update its path in the Registry. Examples of names in these steps are GnProj as the old name and Lt7 as a new name.

Notes: Profile and Registry folder changes can cause problems when logging in if the path is incorrect. Back up important data before starting.

Step 1: Enable it and log in to the built-in Administrator

1. Click Start, type cmd.
2. Right click Command Prompt, then select Run as administrator.
3. Type the following command and press Enter:

   net user administrator /active:yes

4. Sign out of the account you are using.
5. On the log-in screen, select an account Administrators and enter.

Step 2: Rename the folder in C:\Users\

1. Open File Explorer and go to C:\Users\.
2. Right click the old folder (example: GnProj), select Rename, then change the name (example: Lt7).

Step 3: Update profile path in Registry

1. Press Windows + R, type regedit, then press Enter.
2. In the left bar, go to:

   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList

3. Select long folders that start with S-1-5-21-....
4. In the right bar, search for ProfileImagePath.
5. Double click and change the Value Data from the old path to the new path (example: C:\Users\GnProj be C:\Users\Lt7).
6. Click OK.

Step 4: Install a symbolic link

1. In the Administrator account, open Command Prompt (Admin).
2. Type the following command. Customize old and new folder names:

   mklink /d C:\Users\GnProj C:\Users\Lt7

3. Press Enter until the report appears symbolic link created.

Step 5: Login to the main account and set up the Administrator account

1. Sign out of the Administrator account.
2. Log back into your main account using your regular PIN or password.
3. To disable the built-in Administrator, open Command Prompt (Admin), then run:

   net user administrator /active:no

Examples of account and folder names in this guide are GnProj and Lt7. Match the name on your device.