diff --git a/README.md b/README.md
index 5c718720..12ebd14d 100644
--- a/README.md
+++ b/README.md
@@ -15,13 +15,28 @@ Every choice about your stack is made in one place — an **interactive terminal
 
 ## Install
 
-One command takes a fresh machine from nothing to a configured stack. It installs the `ordo` CLI and drops you straight into the setup wizard:
+One command takes a fresh machine from nothing to a configured stack — it installs the `ordo` CLI and drops you straight into the interactive setup wizard, **in the same terminal**. Open your normal terminal and run the line for your platform:
+
+**macOS / Linux** (bash · zsh · or Git Bash on Windows):
 
 ```bash
 curl -fsSL https://raw.githubusercontent.com/AlienWalker1995/Ordo-AI-Stack/main/install.sh | sh
 ```
 
-Under the hood the one-liner checks prerequisites (git, Docker + `docker compose` v2, Python 3.11+; warns if there's no NVIDIA GPU), clones the repo to `~/ordo` (override with `ORDO_DIR=`), installs the CLI into a virtualenv, and launches the wizard. That's the only step — everything else is the wizard.
+```bash
+# no curl? use wget:
+wget -qO- https://raw.githubusercontent.com/AlienWalker1995/Ordo-AI-Stack/main/install.sh | sh
+```
+
+**Windows** (PowerShell):
+
+```powershell
+irm https://raw.githubusercontent.com/AlienWalker1995/Ordo-AI-Stack/main/install.ps1 | iex
+```
+
+> The Windows line must run in **PowerShell**, not `cmd`. (`curl … | sh` only works inside a POSIX shell — Git Bash or WSL — so on native Windows use the PowerShell one-liner.)
+
+Either path checks prerequisites (git, Docker + `docker compose` v2, Python 3.11+; warns if there's no NVIDIA GPU), clones the repo (`~/ordo`, or `%USERPROFILE%\ordo` on Windows — override with the `ORDO_DIR` env var), installs the CLI into a virtualenv, and launches the wizard. That's the only step — everything else is the wizard.
 
 ### The setup wizard — `ordo init`
 
diff --git a/docs/operator-guide.md b/docs/operator-guide.md
index 0b7bf991..e6ab6974 100644
--- a/docs/operator-guide.md
+++ b/docs/operator-guide.md
@@ -12,15 +12,25 @@ render substrate lives at the repo root (there is no `v2/` directory — there i
 
 ## Install & first run
 
-**From a fresh machine — one command installs the CLI and launches the setup wizard:**
+**From a fresh machine — one command installs the CLI and launches the setup wizard, in the same
+terminal. Run the line for your platform:**
 
 ```bash
+# macOS / Linux (bash · zsh · or Git Bash on Windows)
 curl -fsSL https://raw.githubusercontent.com/AlienWalker1995/Ordo-AI-Stack/main/install.sh | sh
+# …or without curl:
+wget -qO- https://raw.githubusercontent.com/AlienWalker1995/Ordo-AI-Stack/main/install.sh | sh
 ```
 
-It checks prerequisites (git, Docker + `docker compose` v2, Python 3.11+; warns if there's no
-NVIDIA GPU), clones the repo to `~/ordo` (override with `ORDO_DIR=`), installs `ordo` into a
-virtualenv, and runs **`ordo init`** — the interactive wizard that configures the whole stack.
+```powershell
+# Windows — PowerShell (not cmd; `curl | sh` needs a POSIX shell, so native Windows uses this)
+irm https://raw.githubusercontent.com/AlienWalker1995/Ordo-AI-Stack/main/install.ps1 | iex
+```
+
+Either path checks prerequisites (git, Docker + `docker compose` v2, Python 3.11+; warns if there's
+no NVIDIA GPU), clones the repo (`~/ordo`, or `%USERPROFILE%\ordo` on Windows — override with the
+`ORDO_DIR` env var), installs `ordo` into a virtualenv, and runs **`ordo init`** — the interactive
+wizard that configures the whole stack.
 
 **The wizard (`ordo init`) is the setup path.** Every prompt has a sensible default (press **Enter**
 to accept); it walks you through:
diff --git a/install.ps1 b/install.ps1
new file mode 100644
index 00000000..f9b1a445
--- /dev/null
+++ b/install.ps1
@@ -0,0 +1,106 @@
+<#
+  Ordo installer (Windows / PowerShell).
+
+  One command from a fresh machine to the interactive setup wizard:
+
+      irm https://raw.githubusercontent.com/AlienWalker1995/Ordo-AI-Stack/main/install.ps1 | iex
+
+  Mirrors install.sh (macOS/Linux) step-for-step: checks prerequisites, clones the repo,
+  installs the `ordo` CLI into a .venv, and launches `ordo init`. Because `irm | iex` leaves
+  the console attached, the wizard runs fully interactively in this same terminal.
+
+  Overrides (set before running):  $env:ORDO_DIR = 'D:\ordo'   $env:ORDO_REPO_URL = '...'
+#>
+
+#Requires -Version 5.1
+$ErrorActionPreference = 'Stop'
+
+function Info($m) { Write-Host "  $m" -ForegroundColor Cyan }
+function Warn($m) { Write-Host "  ! $m" -ForegroundColor Yellow }
+function Die($m)  { Write-Host "  x $m" -ForegroundColor Red; exit 1 }
+function Have($c) { $null -ne (Get-Command $c -ErrorAction SilentlyContinue) }
+
+$RepoUrl    = if ($env:ORDO_REPO_URL) { $env:ORDO_REPO_URL } else { 'https://github.com/AlienWalker1995/Ordo-AI-Stack.git' }
+$DefaultDir = if ($env:ORDO_DIR)      { $env:ORDO_DIR }      else { Join-Path $HOME 'ordo' }
+# irm | iex does NOT consume the console, so stdin stays interactive unless genuinely redirected.
+$Interactive = -not [Console]::IsInputRedirected
+
+Write-Host ''
+Write-Host 'Ordo installer' -ForegroundColor Green
+Write-Host '--------------------------------------------------'
+
+# -- 1. Prerequisites ---------------------------------------------------------
+Info 'Checking prerequisites'
+if (-not (Have git))    { Die 'git not found - install Git for Windows (https://git-scm.com) and re-run.' }
+if (-not (Have docker)) { Die 'Docker not found - install Docker Desktop (https://docs.docker.com/get-docker/) and re-run.' }
+docker compose version *> $null
+if ($LASTEXITCODE -ne 0) { Die "'docker compose' (v2) not found - enable it in Docker Desktop and re-run." }
+
+$probe  = 'import sys; sys.exit(0 if sys.version_info >= (3, 11) else 1)'
+$Python = $null
+foreach ($cand in @('python', 'py', 'python3')) {
+    if (-not (Have $cand)) { continue }
+    if ($cand -eq 'py') { & $cand -3 -c $probe *> $null } else { & $cand -c $probe *> $null }
+    if ($LASTEXITCODE -eq 0) { $Python = $cand; break }
+}
+if (-not $Python) { Die 'Python 3.11+ not found - install from https://python.org (tick "Add python.exe to PATH") and re-run.' }
+
+if (Have nvidia-smi) {
+    $gpu = (nvidia-smi --query-gpu=name --format=csv,noheader 2>$null | Select-Object -First 1)
+    Info "NVIDIA GPU detected: $gpu"
+} else {
+    Warn 'nvidia-smi not found - the stack will run CPU-only (no image/video/voice). Continuing.'
+}
+
+# -- 2. Locate or clone the repo ---------------------------------------------
+# When downloaded and run as a file we may already be inside a clone; when piped
+# through iex there is no script file, so $PSCommandPath is null and we clone.
+$ScriptDir = if ($PSCommandPath) { Split-Path -Parent $PSCommandPath } else { $null }
+if ($ScriptDir -and (Test-Path (Join-Path $ScriptDir 'pyproject.toml')) -and (Test-Path (Join-Path $ScriptDir 'ordo'))) {
+    $Target = $ScriptDir
+    Info "Using existing clone at $Target"
+} else {
+    $Target = $DefaultDir
+    if ($Interactive) {
+        $ans = Read-Host "Install directory [$DefaultDir]"
+        if ($ans) { $Target = $ans }
+    }
+    if ((Test-Path (Join-Path $Target '.git')) -and (Test-Path (Join-Path $Target 'pyproject.toml'))) {
+        Info "Repo already present at $Target - pulling latest"
+        git -C $Target pull --ff-only
+        if ($LASTEXITCODE -ne 0) { Warn 'git pull failed (local changes?) - using the existing checkout.' }
+    } elseif ((Test-Path $Target) -and (Get-ChildItem -Force $Target -ErrorAction SilentlyContinue)) {
+        Die "$Target exists and is not an Ordo clone - set `$env:ORDO_DIR to another path and re-run."
+    } else {
+        Info "Cloning $RepoUrl -> $Target"
+        git clone --depth 1 $RepoUrl $Target
+        if ($LASTEXITCODE -ne 0) { Die 'git clone failed.' }
+    }
+}
+Set-Location $Target
+
+# -- 3. Install the ordo CLI into a virtualenv -------------------------------
+Info 'Installing the ordo CLI (virtualenv .venv)'
+if (-not (Test-Path '.venv')) {
+    if ($Python -eq 'py') { & py -3 -m venv .venv } else { & $Python -m venv .venv }
+}
+$VenvPy = Join-Path $Target '.venv\Scripts\python.exe'
+if (-not (Test-Path $VenvPy)) { Die 'failed to create virtualenv - is the Python venv module installed?' }
+& $VenvPy -m pip install --quiet --upgrade pip *> $null
+& $VenvPy -m pip install --quiet .
+if ($LASTEXITCODE -ne 0) { Die 'pip install failed - check the output above.' }
+
+# -- 4. Run the wizard --------------------------------------------------------
+Info 'Launching the setup wizard'
+if ($Interactive) {
+    # Console is attached (irm | iex keeps it), so the wizard prompts run right here.
+    & $VenvPy -m ordo init --out out
+} else {
+    Warn 'No interactive console (redirected input) - writing config non-interactively (no bring-up).'
+    & $VenvPy -m ordo init --yes --out out
+    Write-Host ''
+    Write-Host "Config written to $Target\out\. To finish interactively:"
+    Write-Host "  cd `"$Target`"; .\.venv\Scripts\python.exe -m ordo init --out out --force"
+}
+
+Info "Done. Repo: $Target"