Initial commit

scripts/powershell/rename-hide-accounts.ps1

@@ -0,0 +1,51 @@
+[Console]::OutputEncoding = [Text.Encoding]::UTF8
+$ErrorActionPreference = 'Stop'
+
+# --- 1. Rename local account 'user' -> 'User' ---
+$src = 'user'
+$dst = 'User'
+
+$u = Get-LocalUser -Name $src -ErrorAction SilentlyContinue
+if ($u) {
+    if ($u.Name -ceq $dst) {
+        Write-Host "[=] Account is already '$dst'"
+    } else {
+        Write-Host "[*] Renaming local account '$($u.Name)' -> '$dst'"
+        Rename-LocalUser -Name $src -NewName $dst
+        Write-Host "[OK] Renamed"
+    }
+} else {
+    $already = Get-LocalUser -Name $dst -ErrorAction SilentlyContinue
+    if ($already) {
+        Write-Host "[=] Account '$dst' already exists (no '$src' found). Nothing to rename."
+    } else {
+        throw "Neither '$src' nor '$dst' exists as local user"
+    }
+}
+
+# --- 2. Hide 'Admin' from sign-in screen ---
+$listPath = 'HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList'
+if (-not (Test-Path $listPath)) {
+    New-Item -Path $listPath -Force | Out-Null
+    Write-Host "[*] Created $listPath"
+}
+New-ItemProperty -Path $listPath -Name 'Admin' -Value 0 -PropertyType DWord -Force | Out-Null
+Write-Host "[OK] Hidden 'Admin' from sign-in screen (SpecialAccounts\UserList\Admin = 0)"
+
+Write-Host ""
+Write-Host "=== Post-state ==="
+Get-LocalUser | Select-Object Name,Enabled,LastLogon | Format-Table -AutoSize
+
+$lst = Get-ItemProperty -Path $listPath -ErrorAction SilentlyContinue
+if ($lst) {
+    Write-Host "UserList values:"
+    $lst.PSObject.Properties | Where-Object { $_.Name -notmatch '^PS' } | ForEach-Object {
+        Write-Host ("  {0} = {1}" -f $_.Name, $_.Value)
+    }
+}
+
+Write-Host ""
+Write-Host "Notes:"
+Write-Host " - Account SIDs don't change. C:\Users\user profile folder stays with lowercase name"
+Write-Host "   (NTFS is case-insensitive so all apps keep working)."
+Write-Host " - Admin can still sign in: click 'Other user' on the lock screen and type 'Admin'."