diff --git a/install-pi.ps1 b/install-pi.ps1
index ca2c617..43e7559 100644
--- a/install-pi.ps1
+++ b/install-pi.ps1
@@ -230,10 +230,15 @@ Info ""
 Info "=================================================="
 Success "Pi Coding Agent installation complete!"
 Info "=================================================="
+if ($piBin) {
+    Info ""
+    Info "Pi binary: $piBin"
+}
 Info ""
-Info "Pi binary: $piBin"
+Info "IMPORTANT: Close this terminal and open a new one to use pi."
+Info "PATH changes require a new terminal session to take effect."
 Info ""
-Info "Getting started:"
+Info "Getting started:
 Info "  1. Navigate to your project: cd C:\path\to\project"
 Info "  2. Start Pi: pi"
 Info "  3. Log in: /login"
diff --git a/install-tmux.ps1 b/install-tmux.ps1
index e7a977c..2aba93d 100644
--- a/install-tmux.ps1
+++ b/install-tmux.ps1
@@ -217,7 +217,7 @@ set -g extended-keys on
 set -g extended-keys-format csi-u
 '@
 
-Set-Content -Path $ConfFile -Value $tmuxConf -Encoding UTF8
+[System.IO.File]::WriteAllText($ConfFile, $tmuxConf, [System.Text.UTF8Encoding]::new($false))
 Success ".tmux.conf deployed to $ConfFile"
 
 # ────────────────────────────────────────────
@@ -232,6 +232,9 @@ if ($tmuxBin) {
     Info "tmux binary: $tmuxBin"
 }
 Info ""
+Info "IMPORTANT: Close this terminal and open a new one to use tmux."
+Info "PATH changes require a new terminal session to take effect."
+Info ""
 Info "Getting started:"
 Info "  tmux                    - Start a new session"
 Info "  tmux new -s <name>      - Start a named session"