diff --git a/install-tmux.ps1 b/install-tmux.ps1
index 39d0f94..e7a977c 100644
--- a/install-tmux.ps1
+++ b/install-tmux.ps1
@@ -63,21 +63,70 @@ if ($tmuxCmd) {
     Success "tmux installed via winget"
 }
 
-# Verify tmux is available (may need PATH refresh)
+# ────────────────────────────────────────────
+# Verify tmux is available and add to PATH permanently if needed
+# ────────────────────────────────────────────
+$tmuxBin = $null
+
+# 1) Try current PATH
 $tmuxCmd = Get-Command tmux -ErrorAction SilentlyContinue
 if ($tmuxCmd) {
-    Success "tmux is available: $($tmuxCmd.Source)"
-} else {
-    # Refresh PATH for current session
+    $tmuxBin = $tmuxCmd.Source
+}
+
+# 2) Refresh PATH from registry (winget may have added paths)
+if (-not $tmuxBin) {
     $env:Path = [System.Environment]::GetEnvironmentVariable('Path', 'User') + ';' + [System.Environment]::GetEnvironmentVariable('Path', 'Machine')
     $tmuxCmd = Get-Command tmux -ErrorAction SilentlyContinue
     if ($tmuxCmd) {
-        Success "tmux is available: $($tmuxCmd.Source)"
-    } else {
-        Warn "tmux was not found in PATH after installation. You may need to restart your terminal."
+        $tmuxBin = $tmuxCmd.Source
     }
 }
 
+# 3) Search common locations where winget installs tmux-windows
+if (-not $tmuxBin) {
+    $searchDirs = @(
+        (Join-Path $env:LOCALAPPDATA 'Microsoft\WinGet\Links'),
+        (Join-Path $env:LOCALAPPDATA 'Programs\tmux-windows'),
+        'C:\Program Files\tmux-windows',
+        'C:\Program Files (x86)\tmux-windows'
+    )
+    foreach ($dir in $searchDirs) {
+        if (Test-Path $dir) {
+            $candidate = Join-Path $dir 'tmux.exe'
+            if (Test-Path $candidate) { $tmuxBin = $candidate; break }
+        }
+    }
+
+    # Recurse under WinGet/Packages for tmux
+    if (-not $tmuxBin -and (Test-Path (Join-Path $env:LOCALAPPDATA 'Microsoft\WinGet\Packages'))) {
+        $found = Get-ChildItem -Path (Join-Path $env:LOCALAPPDATA 'Microsoft\WinGet\Packages') -Recurse -Filter 'tmux.exe' -ErrorAction SilentlyContinue | Select-Object -First 1
+        if ($found) { $tmuxBin = $found.FullName }
+    }
+}
+
+if ($tmuxBin) {
+    # Add tmux's directory to PATH for this session
+    $tmuxDir = Split-Path $tmuxBin
+    if ($env:Path -notlike "*$tmuxDir*") {
+        $env:Path = "$tmuxDir;$env:Path"
+        Info "Added $tmuxDir to PATH for this session"
+    }
+    Success "tmux is available: $tmuxBin"
+
+    # Permanently add tmux's directory to user PATH if not already there
+    $userPath = [System.Environment]::GetEnvironmentVariable('Path', 'User')
+    if ($userPath -notlike "*$tmuxDir*") {
+        [System.Environment]::SetEnvironmentVariable('Path', "$tmuxDir;$userPath", 'User')
+        Success "Added $tmuxDir to user PATH permanently (takes effect on next login)"
+    } else {
+        Info "$tmuxDir already in user PATH"
+    }
+} else {
+    Warn "tmux was not found in PATH after installation."
+    Warn "Please restart your terminal or add tmux's directory to your PATH manually."
+}
+
 # ────────────────────────────────────────────
 # Step 2: Deploy .tmux.conf
 # ────────────────────────────────────────────
@@ -178,6 +227,10 @@ Info ""
 Info "=================================================="
 Success "tmux installation complete!"
 Info "=================================================="
+if ($tmuxBin) {
+    Info ""
+    Info "tmux binary: $tmuxBin"
+}
 Info ""
 Info "Getting started:"
 Info "  tmux                    - Start a new session"