Introduction

This article describes an update for Windows 8 and Windows RT. After you install this update on a computer that is running Windows 8 or Windows RT, a notification that helps you update to Windows 8.1 or Windows RT 8.1 may be displayed when you unlock or log on to the computer.

Notes

  • This notification will not appear on Volume Licensed versions of Windows 8 Professional or Windows 8 Enterprise because these editions cannot be updated to Windows 8.1 through Windows Store.

  • The notification is displayed according to a schedule and is not displayed immediately after you install this update.¬†After you install this update, the notification is typically displayed the first time that you unlock or log on to the computer after 8:00 P.M. local time on Mondays.

More Information

Update information

How to obtain this update

Windows Update

This update is available from Windows Update.

Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

Operating system

Update

All supported x86-based versions of Windows 8

Download Download the package now.

All supported x64-based versions of Windows 8

Download Download the package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

To apply this update, you must be running Windows 8 or Windows RT.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You do not have to restart the computer after you apply this update.

Update replacement information

This update does not replace a previously released update.

The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

MUM and MANIFEST files for Windows RT and Windows 8

Files for Windows RT

File property

Value

File name

Arm_e645376f6fab21f2f72f24043b2bf38b_31bf3856ad364e35_6.2.9200.16704_none_54152abb9fd7d4fb.manifest

File version

Not applicable

File size

707

Date (UTC)

31-Aug-2013

Time (UTC)

15:11

SHA-1 hash

Not applicable

MD5 hash

Not applicable

File name

Arm_microsoft-windows-upgradenotification_31bf3856ad364e35_6.2.9200.16704_none_87e96bb5702835a6.manifest

File version

Not applicable

File size

709

Date (UTC)

31-Aug-2013

Time (UTC)

03:17

SHA-1 hash

Not applicable

MD5 hash

Not applicable

Files for all supported x86-based versions of Windows 8

File property

Value

File name

X86_acc363578dae581a484b31cb6ccb8d6a_31bf3856ad364e35_6.2.9200.16704_none_2d370dd278d7a92e.manifest

File version

Not applicable

File size

707

Date (UTC)

31-Aug-2013

Time (UTC)

15:13

SHA-1 hash

Not applicable

MD5 hash

Not applicable

File name

X86_b13b6c1a0e1232da4082814ecc235034_31bf3856ad364e35_6.2.9200.20812_none_fb46f54d4e4d87d9.manifest

File version

Not applicable

File size

707

Date (UTC)

31-Aug-2013

Time (UTC)

15:13

SHA-1 hash

Not applicable

MD5 hash

Not applicable

File name

X86_microsoft-windows-upgradenotification_31bf3856ad364e35_6.2.9200.16704_none_87e6f95d702b16e0.manifest

File version

Not applicable

File size

709

Date (UTC)

30-Aug-2013

Time (UTC)

23:03

SHA-1 hash

Not applicable

MD5 hash

Not applicable

File name

X86_microsoft-windows-upgradenotification_31bf3856ad364e35_6.2.9200.20812_none_8863c5a889529fed.manifest

File version

Not applicable

File size

709

Date (UTC)

31-Aug-2013

Time (UTC)

05:36

SHA-1 hash

Not applicable

MD5 hash

Not applicable

Files for all supported x64-based versions of Windows 8

File property

Value

File name

Amd64_3507380cfc486b5acefa8ea6e68037af_31bf3856ad364e35_6.2.9200.20812_none_533b009e863e37be.manifest

File version

Not applicable

File size

711

Date (UTC)

31-Aug-2013

Time (UTC)

15:18

SHA-1 hash

Not applicable

MD5 hash

Not applicable

File name

Amd64_9469ccfb1b896ba3e9c9cdd72209e854_31bf3856ad364e35_6.2.9200.16704_none_99a70bb7e709e9eb.manifest

File version

Not applicable

File size

711

Date (UTC)

31-Aug-2013

Time (UTC)

15:18

SHA-1 hash

Not applicable

MD5 hash

Not applicable

File name

Amd64_microsoft-windows-upgradenotification_31bf3856ad364e35_6.2.9200.16704_none_e40594e128888816.manifest

File version

Not applicable

File size

711

Date (UTC)

31-Aug-2013

Time (UTC)

06:38

SHA-1 hash

Not applicable

MD5 hash

Not applicable

File name

Amd64_microsoft-windows-upgradenotification_31bf3856ad364e35_6.2.9200.20812_none_e482612c41b01123.manifest

File version

Not applicable

File size

711

Date (UTC)

31-Aug-2013

Time (UTC)

07:54

SHA-1 hash

Not applicable

MD5 hash

Not applicable


For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

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