diff --git a/README.md b/README.md
index b154fd8..9347171 100644
--- a/README.md
+++ b/README.md
@@ -98,47 +98,36 @@ The artifacts are uploaded both as workflow artifacts and automatically added to
 
 For reproducible installs, prefer a release tag (or commit SHA) instead of the mutable `main` branch.
 Replace every `<version>` placeholder below with the same release tag, including the `v` prefix (for example `v1.3.0`).
-The examples download the script first so you can review it before executing.
+The commands below stream the script directly into the shell / PowerShell, so no temporary script download is required.
 You can additionally set `SORT_IT_NOW_VERSION=<version>` to instruct the install scripts to download that specific release.
 
 - Linux / macOS install:
 
   ```bash
-  curl -fsSLo /tmp/sort-it-now-install-unix.sh \
-    https://raw.githubusercontent.com/JosunLP/sort-it-now/<version>/scripts/install-unix.sh
-  chmod +x /tmp/sort-it-now-install-unix.sh
-  SORT_IT_NOW_VERSION=<version> /tmp/sort-it-now-install-unix.sh
+  curl -fsSL https://raw.githubusercontent.com/JosunLP/sort-it-now/<version>/scripts/install-unix.sh | SORT_IT_NOW_VERSION=<version> bash
   ```
 
 - Linux / macOS uninstall:
 
   ```bash
-  curl -fsSLo /tmp/sort-it-now-uninstall-unix.sh \
-    https://raw.githubusercontent.com/JosunLP/sort-it-now/<version>/scripts/uninstall-unix.sh
-  chmod +x /tmp/sort-it-now-uninstall-unix.sh
-  /tmp/sort-it-now-uninstall-unix.sh
+  curl -fsSL https://raw.githubusercontent.com/JosunLP/sort-it-now/<version>/scripts/uninstall-unix.sh | bash
   ```
 
-- Windows install (PowerShell):
+- Windows install (PowerShell, run as Administrator for the default destination under `%ProgramFiles%`):
 
   ```powershell
-  $version = "<version>"
-  $script = Join-Path $env:TEMP "sort-it-now-install-windows.ps1"
-  irm "https://raw.githubusercontent.com/JosunLP/sort-it-now/$version/scripts/install-windows.ps1" -OutFile $script
-  $env:SORT_IT_NOW_VERSION = $version
-  & $script
+  $env:SORT_IT_NOW_VERSION="<version>"; irm "https://raw.githubusercontent.com/JosunLP/sort-it-now/<version>/scripts/install-windows.ps1" | iex
   ```
 
 - Windows uninstall (PowerShell):
 
   ```powershell
-  $version = "<version>"
-  $script = Join-Path $env:TEMP "sort-it-now-uninstall-windows.ps1"
-  irm "https://raw.githubusercontent.com/JosunLP/sort-it-now/$version/scripts/uninstall-windows.ps1" -OutFile $script
-  & $script
+  irm "https://raw.githubusercontent.com/JosunLP/sort-it-now/<version>/scripts/uninstall-windows.ps1" | iex
   ```
 
-Both installer scripts also continue to work locally from an extracted release bundle. Set `INSTALL_DIR` (Unix) or `-Destination` (PowerShell) to override the default target.
+If you prefer to review the script before execution, you can still download it manually first.
+
+Both installer scripts also continue to work locally from an extracted release bundle. Set `INSTALL_DIR` (Unix) or `-Destination` (PowerShell, for example `"$env:LOCALAPPDATA\Programs\sort-it-now"` for a per-user install) to override the default target.
 
 ### Archive Installation Scripts
 
diff --git a/scripts/install-unix.sh b/scripts/install-unix.sh
index ed89094..8d9c0ef 100644
--- a/scripts/install-unix.sh
+++ b/scripts/install-unix.sh
@@ -8,10 +8,10 @@ OWNER="${SORT_IT_NOW_GITHUB_OWNER:-JosunLP}"
 REPO="${SORT_IT_NOW_GITHUB_REPO:-sort-it-now}"
 REQUESTED_VERSION="${SORT_IT_NOW_VERSION:-latest}"
 SCRIPT_SOURCE="${BASH_SOURCE[0]:-}"
-SCRIPT_DIR="$PWD"
+SCRIPT_DIR=""
 DOWNLOAD_TMP_DIR=""
 
-if [[ -n "$SCRIPT_SOURCE" && -e "$SCRIPT_SOURCE" ]]; then
+if [[ -n "$SCRIPT_SOURCE" && -f "$SCRIPT_SOURCE" ]]; then
   SCRIPT_DIR="$(cd "$(dirname "$SCRIPT_SOURCE")" && pwd)"
 fi
 
@@ -155,8 +155,12 @@ download_and_install_latest_release() {
   INSTALL_DIR="$INSTALL_DIR" bash "$bundle_dir/install.sh"
 }
 
-BINARY_PATH="$SCRIPT_DIR/$APP_NAME"
-if [[ -f "$BINARY_PATH" ]]; then
+BINARY_PATH=""
+if [[ -n "$SCRIPT_DIR" ]]; then
+  BINARY_PATH="$SCRIPT_DIR/$APP_NAME"
+fi
+
+if [[ -n "$BINARY_PATH" && -f "$BINARY_PATH" ]]; then
   install_local_binary "$BINARY_PATH"
 else
   download_and_install_latest_release
diff --git a/scripts/install-windows.ps1 b/scripts/install-windows.ps1
index 66a6c27..0112389 100644
--- a/scripts/install-windows.ps1
+++ b/scripts/install-windows.ps1
@@ -6,8 +6,9 @@ $ErrorActionPreference = "Stop"
 $Owner = if ($env:SORT_IT_NOW_GITHUB_OWNER) { $env:SORT_IT_NOW_GITHUB_OWNER } else { "JosunLP" }
 $Repo = if ($env:SORT_IT_NOW_GITHUB_REPO) { $env:SORT_IT_NOW_GITHUB_REPO } else { "sort-it-now" }
 $RequestedVersion = if ($env:SORT_IT_NOW_VERSION) { $env:SORT_IT_NOW_VERSION } else { "latest" }
-$scriptDir = if ($MyInvocation.MyCommand.Path) { Split-Path -Parent $MyInvocation.MyCommand.Path } else { (Get-Location).Path }
-$binaryPath = Join-Path $scriptDir "sort_it_now.exe"
+$scriptPath = $MyInvocation.MyCommand.Path
+$scriptDir = if ($scriptPath) { Split-Path -Parent $scriptPath } else { $null }
+$binaryPath = if ($scriptDir) { Join-Path $scriptDir "sort_it_now.exe" } else { $null }
 
 function Test-IsAdministrator {
     $currentIdentity = [Security.Principal.WindowsIdentity]::GetCurrent()
@@ -202,7 +203,7 @@ function Install-FromRelease {
     }
 }
 
-if (Test-Path $binaryPath) {
+if ($binaryPath -and (Test-Path $binaryPath)) {
     Install-LocalBinary -BinaryPath $binaryPath -TargetDirectory $Destination -ReadmeSource (Join-Path $scriptDir "README.md")
 }
 else {