WINDOWS SETUP

Install JapanVPN for Windows.

Download the installer, create a device code, and connect through Tokyo. Follow the security steps below if Edge or Windows shows a warning.

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WINDOWS

JapanVPN for Windows

Native Windows desktop app with a signed installer. Everything needed to connect is included. No separate WireGuard or .NET installation is required. Approve the Windows Administrator prompt during setup.

Version 0.2.9 · Signed Windows installer

Download for Windows
After downloading
  1. Run the JapanVPN installer and approve the Windows Administrator prompt.
  2. Sign in to your account and create a ten-minute device code.
  3. Open JapanVPN, enter your device code, and connect.
  4. Confirm your public IP is in Japan.

WINDOWS INSTALLATION HELP

Seeing a security warning?

Microsoft Edge and Windows may show SmartScreen prompts while a new download builds its reputation. Only continue with the JapanVPN installer you downloaded from getjapanvpn.com, and check that the publisher information includes Matthew Sampt.

1. Keep the download in Microsoft Edge

  1. Open Edge’s Downloads panel. Find the JapanVPN installer with the “isn’t commonly downloaded” message and click the three dots (…) beside that file.

    Edge Downloads showing the JapanVPN download warning and the three-dot file menu.

  2. Choose Keep from the file’s menu.

    The JapanVPN download menu in Edge with Keep highlighted.

  3. In the confirmation panel, check the publisher, click the arrow beside Delete, and select Keep anyway. Once the download finishes, choose Open file.

    Edge confirmation showing Matthew Sampt in the publisher information and Keep anyway beneath the Delete arrow.
2. Open the installer in Windows

  1. If “Windows protected your PC” appears, click More info.

    Windows protected your PC prompt with the More info link.

  2. Check that the app is the JapanVPN installer and the publisher information includes Matthew Sampt. Click Run anyway, then approve the Windows Administrator prompt and follow the installer.

    Expanded Windows SmartScreen prompt showing the JapanVPN installer, Matthew Sampt publisher information, and Run anyway.

Keep Microsoft Defender and SmartScreen enabled. If the publisher is different or unknown, stop and contact support. If a work or school computer does not offer these options, ask your IT administrator.

Screenshots show version 0.2.3; the steps also apply to newer JapanVPN installers. About Microsoft SmartScreen warnings

WINDOWS SETUP

Optional installer verification.

Windows shows the verified publisher when you open the installer. You can also check the file below in PowerShell. Enter your device code only in JapanVPN.

$file = '.\JapanVPN-Windows-0.2.9.exe'
$signature = Get-AuthenticodeSignature $file
if ($signature.Status -ne [System.Management.Automation.SignatureStatus]::Valid -or $null -eq $signature.SignerCertificate -or $signature.SignerCertificate.Thumbprint -ne 'C308CC1BAEEA46D68568FB89C70E7D3BAF25862B') { throw 'Publisher signature mismatch' }
Start-Process -FilePath $file -Wait