Summary
This update makes improvements to ease the upgrade experience to Windows 10.
How to get and install this update
Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
Method 1: Windows Update
This update is available through Windows Update and will be downloaded and installed automatically.
Method 2: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Update information
Prerequisites
There's no prerequisite to apply this update.
Registry information
To apply this update, you don't have to make any changes to the registry.
Restart requirement
You don't have to restart the computer after you apply this update.
Update replacement information
This update replaces KB3081451.
File Information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.
Windows 10
x86-based Windows 10
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Acmigration.dll | 10.0.10240.16487 | 70,728 | 01-Sep-2015 | 11:04 | x86 |
| Appraiser.sdb | Not Applicable | 6,359,852 | 01-Sep-2015 | 08:35 | Not Applicable |
| Diagtrack.dll | 10.0.10240.16487 | 941,904 | 01-Sep-2015 | 11:04 | x86 |
| Mediasetupuimgr.dll | 10.0.10240.16487 | 13,701,200 | 01-Sep-2015 | 11:04 | x86 |
| Mediasetupuimgr.dll.mui | 10.0.10240.16487 | 42,496 | 01-Sep-2015 | 11:57 | Not Applicable |
| Migcore.dll | 10.0.10240.16487 | 6,562,128 | 01-Sep-2015 | 11:02 | x86 |
| Reagent.dll | 10.0.10240.16487 | 845,664 | 01-Sep-2015 | 11:04 | x86 |
| Setupcore.dll | 10.0.10240.16487 | 1,153,104 | 01-Sep-2015 | 11:04 | x86 |
| Setupmgr.dll | 10.0.10240.16487 | 571,992 | 01-Sep-2015 | 11:04 | x86 |
| Setupplatform.dll | 1.40.10240.16487 | 5,892,688 | 01-Sep-2015 | 11:02 | x86 |
| Setupplatform.exe | 1.40.10240.16487 | 161,864 | 01-Sep-2015 | 11:04 | x86 |
| Setupprep.exe | 10.0.10240.16487 | 10,318,928 | 01-Sep-2015 | 11:04 | x86 |
| Uninstall.xml | Not Applicable | 2,039 | 01-Sep-2015 | 08:29 | Not Applicable |
| Upgdriver.dll | 10.0.10240.16487 | 851,632 | 01-Sep-2015 | 11:04 | x86 |
| Windlp.dll | 10.0.10240.16487 | 1,030,232 | 01-Sep-2015 | 11:04 | x86 |
| Winsetup.dll | 10.0.10240.16487 | 2,281,312 | 01-Sep-2015 | 11:02 | x86 |
x64-based Windows 10
| File name | File version | File size | Date | Time | Platform |
|---|---|---|---|---|---|
| Acmigration.dll | 10.0.10240.16487 | 77,400 | 01-Sep-2015 | 10:20 | x64 |
| Appraiser.sdb | Not Applicable | 6,531,866 | 01-Sep-2015 | 08:09 | Not Applicable |
| Diagtrack.dll | 10.0.10240.16487 | 1,391,440 | 01-Sep-2015 | 10:18 | x64 |
| Mediasetupuimgr.dll | 10.0.10240.16487 | 13,823,680 | 01-Sep-2015 | 10:21 | x64 |
| Mediasetupuimgr.dll.mui | 10.0.10240.16487 | 42,496 | 01-Sep-2015 | 15:48 | Not Applicable |
| Migcore.dll | 10.0.10240.16487 | 8,451,408 | 01-Sep-2015 | 10:18 | x64 |
| Reagent.dll | 10.0.10240.16487 | 991,584 | 01-Sep-2015 | 10:20 | x64 |
| Setupcore.dll | 10.0.10240.16487 | 1,438,280 | 01-Sep-2015 | 10:20 | x64 |
| Setupmgr.dll | 10.0.10240.16487 | 718,424 | 01-Sep-2015 | 10:20 | x64 |
| Setupplatform.dll | 1.40.10240.16487 | 7,443,136 | 01-Sep-2015 | 10:18 | x64 |
| Setupplatform.exe | 1.40.10240.16487 | 174,256 | 01-Sep-2015 | 10:18 | x64 |
| Setupprep.exe | 10.0.10240.16487 | 10,372,696 | 01-Sep-2015 | 10:20 | x64 |
| Uninstall.xml | Not Applicable | 2,039 | 01-Sep-2015 | 08:03 | Not Applicable |
| Upgdriver.dll | 10.0.10240.16487 | 1,070,680 | 01-Sep-2015 | 10:20 | x64 |
| Windlp.dll | 10.0.10240.16487 | 1,282,128 | 01-Sep-2015 | 10:20 | x64 |
| Winsetup.dll | 10.0.10240.16487 | 2,744,672 | 01-Sep-2015 | 10:18 | x64 |