Microsoft Windows 11 Home 1PC 日语版プロダクトキー正規版ダウンロード版

Microsoft Windows 11 Home — 1 PC, Japanese Version (Download Edition)

On sale Microsoft

Windows 11 Home key for a single PC

Prices include tax / download editions are available as soon as payment is complete

Release date: 2026/01/05

A Japanese-version Windows 11 Home product key for one PC, delivered by email so installation and activation can start right away.

Genuine manufacturer license
Free shipping on orders over ¥3,980
Unopened items can be returned within 30 days
ダウンロード版（プロダクトキーをメールでお送りします）

Manufacturer	Microsoft
Supported OS	Windows 11 / 10
License	1 device(s)

Windows 11 Home is Microsoft’s current operating system for home computers, supplied here as a Japanese-version product key for one PC.

It offers a redesigned interface and performance tuned for speed and efficiency, so everyday work takes less time. Gaming is well catered for, with more than two thousand DirectX 11 and later titles optimised for the platform, delivering smoother play and higher frame rates. Security is built in as well: enhanced features help defend the PC against viruses, malware and other threats, and TPM 2.0 support adds hardware-level protection for users, applications and the system. The key is sent to you by email after your order is confirmed.

Key details

Edition: Windows 11 Home, Japanese version
Licence: 1 PC, perpetual use
Delivery: download edition, product key by email

A good choice for home users and gamers setting up a personal computer.

Manufacturer	Microsoft
Release date	2026/01/05
Supported OS	Windows 11 / 10
License	1 device(s)
Delivery method	Download edition (product key sent by email)

Support after purchase

Products you purchase can be re-downloaded at any time from My Account. Contact our Japanese-language support desk for help with installation or settings.