diff --git a/logofclientinstall-win.ps1 b/logofclientinstall-win.ps1
new file mode 100644
index 0000000..e6f1e4b
--- /dev/null
+++ b/logofclientinstall-win.ps1
@@ -0,0 +1,380 @@
+```powershell
+#!/usr/bin/env pwsh
+
+$ErrorActionPreference = "Stop"
+
+Write-Host "Welcome to logofclient!"
+Write-Host "(c)2026 - MyPapertown, MyPaperCloud, Elias Fierke"
+Write-Host "Version 1.0"
+Write-Host ""
+Write-Host "Note: Windows (Un)Installer has been implemented with AI and is untested. Please report to fierke@mypapertown.de"
+Write-Host ""
+
+# ------------------------------------------------------------
+# Configuration
+# ------------------------------------------------------------
+
+$GiteaUrl = if ($env:GITEA_URL) { $env:GITEA_URL } else { "https://git.mypapercloud.de" }
+$Owner    = if ($env:OWNER)     { $env:OWNER }     else { "fierke" }
+$Repo     = if ($env:REPO)      { $env:REPO }      else { "logofclient" }
+
+$InstallDir  = Join-Path $env:ProgramFiles "logofclient"
+$VersionFile = Join-Path $InstallDir ".version"
+
+$StartMenuDir = Join-Path `
+    $env:ProgramData `
+    "Microsoft\Windows\Start Menu\Programs"
+
+$ShortcutPath = Join-Path `
+    $StartMenuDir `
+    "logofclient.lnk"
+
+
+# ------------------------------------------------------------
+# Administrator privileges
+# ------------------------------------------------------------
+
+function Test-IsAdministrator {
+    $Identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $Principal = New-Object Security.Principal.WindowsPrincipal($Identity)
+
+    return $Principal.IsInRole(
+        [Security.Principal.WindowsBuiltInRole]::Administrator
+    )
+}
+
+
+function Ensure-Administrator {
+    if (Test-IsAdministrator) {
+        return
+    }
+
+    Write-Host "Administrator privileges are required."
+    Write-Host "Requesting elevation..."
+
+    # Reconstruct the original arguments
+    $ArgumentList = @(
+        "-NoProfile"
+        "-ExecutionPolicy"
+        "Bypass"
+        "-File"
+        "`"$PSCommandPath`""
+    )
+
+    foreach ($Arg in $args) {
+        $ArgumentList += "`"$Arg`""
+    }
+
+    Start-Process `
+        -FilePath "powershell.exe" `
+        -ArgumentList $ArgumentList `
+        -Verb RunAs
+
+    exit 0
+}
+
+
+# ------------------------------------------------------------
+# Help
+# ------------------------------------------------------------
+
+function Show-Help {
+    Write-Host "-- HELP --"
+    Write-Host "  -v      | Print the current application version"
+    Write-Host "  -h      | Show this help text"
+    Write-Host "  -y      | Answer all questions with yes"
+    Write-Host ""
+    Write-Host "-- COMMANDS --"
+    Write-Host "  install    | install logofclient to your Windows-system"
+    Write-Host "  update     | update logofclient to the newest version"
+    Write-Host "  uninstall  | remove logofclient from your system"
+}
+
+
+# ------------------------------------------------------------
+# Gitea
+# ------------------------------------------------------------
+
+function Get-LatestRelease {
+    $Api = "$($GiteaUrl.TrimEnd('/'))/api/v1"
+
+    Write-Host "Fetching version..."
+
+    return Invoke-RestMethod `
+        -Uri "$Api/repos/$Owner/$Repo/releases/latest" `
+        -Method Get
+}
+
+
+# ------------------------------------------------------------
+# Install
+# ------------------------------------------------------------
+
+function Install {
+    Ensure-Administrator
+
+    $Release = Get-LatestRelease
+    $Tag = $Release.tag_name
+
+    Write-Host "Installing logofclient $Tag..."
+
+    $AssetName = "logofclient-$Tag-win.zip"
+
+    $Asset = $Release.assets |
+        Where-Object { $_.name -eq $AssetName } |
+        Select-Object -First 1
+
+    if (-not $Asset) {
+        throw "Could not find release asset '$AssetName'."
+    }
+
+    $AssetUrl = $Asset.browser_download_url
+
+    Write-Host "Downloading package:    $AssetUrl"
+
+    $TempDir = Join-Path `
+        $env:TEMP `
+        "logofclient-install"
+
+    $Archive = Join-Path `
+        $TempDir `
+        $AssetName
+
+    if (Test-Path $TempDir) {
+        Remove-Item `
+            $TempDir `
+            -Recurse `
+            -Force
+    }
+
+    New-Item `
+        -ItemType Directory `
+        -Path $TempDir | Out-Null
+
+    Invoke-WebRequest `
+        -Uri $AssetUrl `
+        -OutFile $Archive
+
+    Write-Host "Installing to:           $InstallDir"
+
+    # Remove previous installation
+    if (Test-Path $InstallDir) {
+        Remove-Item `
+            $InstallDir `
+            -Recurse `
+            -Force
+    }
+
+    New-Item `
+        -ItemType Directory `
+        -Path $InstallDir | Out-Null
+
+    # Extract ZIP
+    Expand-Archive `
+        -Path $Archive `
+        -DestinationPath $InstallDir `
+        -Force
+
+    # Save installed version
+    Set-Content `
+        -Path $VersionFile `
+        -Value $Tag `
+        -Encoding UTF8
+
+    # Find executable
+    $Executable = Join-Path `
+        $InstallDir `
+        "Logof Client.exe"
+
+    if (-not (Test-Path $Executable)) {
+        throw "Executable '$Executable' was not found after installation."
+    }
+
+    # --------------------------------------------------------
+    # Start Menu shortcut
+    # --------------------------------------------------------
+
+    Write-Host "Creating Start Menu shortcut..."
+
+    New-Item `
+        -ItemType Directory `
+        -Path $StartMenuDir `
+        -Force | Out-Null
+
+    $Shell = New-Object -ComObject WScript.Shell
+
+    $Shortcut = $Shell.CreateShortcut($ShortcutPath)
+
+    $Shortcut.TargetPath = $Executable
+    $Shortcut.WorkingDirectory = $InstallDir
+    $Shortcut.Description = "logofclient"
+
+    $IconPath = Join-Path `
+        $InstallDir `
+        "assets\icon.ico"
+
+    if (Test-Path $IconPath) {
+        $Shortcut.IconLocation = $IconPath
+    }
+
+    $Shortcut.Save()
+
+    # Clean up downloaded archive
+    Remove-Item `
+        $TempDir `
+        -Recurse `
+        -Force
+
+    Write-Host ""
+    Write-Host "Installed logofclient $Tag successfully."
+}
+
+
+# ------------------------------------------------------------
+# Uninstall
+# ------------------------------------------------------------
+
+function Uninstall {
+    Ensure-Administrator
+
+    Write-Host "Uninstalling logofclient..."
+
+    if (Test-Path $InstallDir) {
+        Remove-Item `
+            $InstallDir `
+            -Recurse `
+            -Force
+    }
+
+    if (Test-Path $ShortcutPath) {
+        Remove-Item `
+            $ShortcutPath `
+            -Force
+    }
+
+    Write-Host "logofclient has been uninstalled."
+}
+
+
+# ------------------------------------------------------------
+# Update
+# ------------------------------------------------------------
+
+function Update {
+    Ensure-Administrator
+
+    Write-Host "Checking for updates..."
+
+    $InstalledTag = ""
+
+    if (Test-Path $VersionFile) {
+        $InstalledTag = (
+            Get-Content `
+                $VersionFile `
+                -Raw
+        ).Trim()
+    }
+
+    $Release = Get-LatestRelease
+    $LatestTag = $Release.tag_name
+
+    Write-Host "Installed version:      $InstalledTag"
+    Write-Host "Latest version:         $LatestTag"
+
+    if ($InstalledTag -eq $LatestTag) {
+        Write-Host "Already up to date."
+        return
+    }
+
+    Write-Host ""
+    Write-Host "Updating logofclient: $InstalledTag -> $LatestTag"
+
+    if ($InstalledTag) {
+        Uninstall
+    }
+
+    Install
+}
+
+
+# ------------------------------------------------------------
+# Argument parsing
+# ------------------------------------------------------------
+
+$AlwaysYes = $false
+$Command = $null
+
+foreach ($Arg in $args) {
+    switch ($Arg) {
+
+        "-y" {
+            $AlwaysYes = $true
+        }
+
+        "-h" {
+            Show-Help
+            exit 0
+        }
+
+        "--help" {
+            Show-Help
+            exit 0
+        }
+
+        "-v" {
+            Write-Host "Version 1.0"
+            exit 0
+        }
+
+        "install" {
+            $Command = "install"
+        }
+
+        "update" {
+            $Command = "update"
+        }
+
+        "uninstall" {
+            $Command = "uninstall"
+        }
+
+        default {
+            if ($Arg.StartsWith("-")) {
+                Write-Error "Unknown option: $Arg"
+            }
+            else {
+                Write-Error "Unknown command: $Arg"
+            }
+
+            exit 1
+        }
+    }
+}
+
+
+if (-not $Command) {
+    Show-Help
+    exit 1
+}
+
+
+# ------------------------------------------------------------
+# Execute command
+# ------------------------------------------------------------
+
+switch ($Command) {
+
+    "install" {
+        Install
+    }
+
+    "update" {
+        Update
+    }
+
+    "uninstall" {
+        Uninstall
+    }
+}
+```
+