Windows 10 Version 21H2

詳細情報

バージョン Windows 10 Version 21H2
リリース日 2021/11/16
ビルド番号 19044
URL(英語) https://support.microsoft.com/en-us/help/5008339
URL(日本語) https://support.microsoft.com/ja-jp/help/5008339
既知の不具合更新日(英語)
既知の不具合のURL(英語) https://learn.microsoft.com/en-us/windows/release-health/status-windows-10-21h2
既知の不具合更新日(日本語)
既知の不具合のURL(日本語) https://learn.microsoft.com/ja-jp/windows/release-health/status-windows-10-21h2

新機能(英語)

What's new for Windows 10, version 21H2, Windows 10, version 21H1, Windows 10, version 20H2, and Windows 10, version 2004 release notes

Windows 10, versions 21H2, 21H1, 20H2, and 2004 share a common core operating system and an identical set of system files. As a result, the release notes for Windows 10, versions 21H2, 21H1, 20H2, and 2004 will share an update history page. Each release page will contain a list of addressed issues for 21H2, 21H1, 20H2, and 2004 versions. Note that the 21H2, 21H1 and 20H2 versions will always contain the fixes for 2004; however, 2004 will not contain the fixes for 21H2, 21H1 and 20H2. The update history page will provide you with the build numbers for 21H2, 21H1, 20H2, and 2004 versions so that it will be easier for support to assist you if you encounter issues.

既知の不具合(英語)

このバージョンは対象外です。上記URLで確認してください。

新機能(日本語)

Windows 10、バージョン 21H2、Windows 10、バージョン 21H1、Windows 10、バージョン 20H2、Windows 10 の新機能、バージョン 2004 リリース ノート

Windows 10バージョン 21H2、21H1、20H2、2004 は、共通のコア オペレーティング システムと同一のシステム ファイル セットを共有します。 その結果、Windows 10、バージョン 21H2、21H1、20H2、2004 のリリース ノートでは、更新履歴ページが共有されます。 各リリース ページには、21H2、21H1、20H2、および 2004 バージョンの対処された問題の一覧が表示されます。 21H2、21H1、20H2 のバージョンには、常に 2004 の修正プログラムが含まれる点に注意してください。ただし、2004 には、21H2、21H1、および 20H2 の修正プログラムは含め"な"。 更新履歴ページには、21H2、21H1、20H2、2004 バージョンのビルド番号が表示され、問題が発生した場合にサポートが容易になります。

既知の不具合(日本語)

このバージョンは対象外です。上記URLで確認してください。

更新プログラム一覧

KB番号
タイプ
リリース日
更新日
バージョン ビルド番号
KB5048652
 
2024/12/10
Windows 10 22H2
Windows 10 21H2
19045.5247
19044.5247
KB5046613
 
2024/11/12
Windows 10 22H2
Windows 10 21H2
19045.5131
19044.5131
KB5044273
 
2024/10/08
Windows 10 22H2
Windows 10 21H2
19045.5011
19044.5011
KB5043064
 
2024/09/10
Windows 10 22H2
Windows 10 21H2
19045.4894
19044.4894
KB5041580
 
2024/08/13
Windows 10 22H2
Windows 10 21H2
19045.4780
19044.4780
KB5040427
 
2024/07/09
Windows 10 22H2
Windows 10 21H2
19045.4651
19044.4651
KB5039211
 
2024/06/11
Windows 10 22H2
Windows 10 21H2
19045.4529
19044.4529
KB5037768
 
2024/05/14
Windows 10 22H2
Windows 10 21H2
19045.4412
19044.4412
KB5036892
 
2024/04/09
Windows 10 22H2
Windows 10 21H2
19045.4291
19044.4291
KB5035845
 
2024/03/12
Windows 10 22H2
Windows 10 21H2
19045.4170
19044.4170
KB5034763
 
2024/02/13
Windows 10 22H2
Windows 10 21H2
19045.4046
19044.4046
KB5034122
 
2024/01/09
Windows 10 22H2
Windows 10 21H2
19045.3930
19044.3930
KB5033372
 
2023/12/12
Windows 10 22H2
Windows 10 21H2
19045.3803
19044.3803
KB5032189
 
2023/11/14
Windows 10 22H2
Windows 10 21H2
19045.3693
19044.3693
KB5031356
 
2023/10/10
Windows 10 22H2
Windows 10 21H2
19045.3570
19044.3570
KB5030211
 
2023/09/12
Windows 10 22H2
Windows 10 21H2
19045.3448
19044.3448
KB5029244
 
2023/08/08
Windows 10 22H2
Windows 10 21H2
19045.3324
19044.3324
KB5028166
 
2023/07/11
Windows 10 22H2
Windows 10 21H2
19045.3208
19044.3208
KB5027215
 
2023/06/13
Windows 10 22H2
Windows 10 21H2
19045.3086
19044.3086
KB5026361
 
2023/05/09
Windows 10 22H2
Windows 10 21H2
Windows 10 20H2
19045.2965
19044.2965
19042.2965
KB5025221
 
2023/04/11
Windows 10 22H2
Windows 10 21H2
Windows 10 20H2
19045.2846
19044.2846
19042.2846
KB5023773
Preview
2023/03/21
Windows 10 22H2
Windows 10 21H2
Windows 10 20H2
19045.2788
19044.2788
19042.2788
KB5023696
 
2023/03/14
Windows 10 22H2
Windows 10 21H2
Windows 10 20H2
19045.2728
19044.2728
19042.2728
KB5022906
Preview
2023/02/21
Windows 10 22H2
Windows 10 21H2
Windows 10 20H2
19045.2673
19044.2673
19042.2673
KB5022834
 
2023/02/14
Windows 10 22H2
Windows 10 21H2
Windows 10 20H2
19045.2604
19044.2604
19042.2604
KB5019275
Preview
2023/01/19
Windows 10 22H2
Windows 10 21H2
Windows 10 20H2
19045.2546
19044.2546
19042.2546
KB5022282
 
2023/01/10
Windows 10 22H2
Windows 10 21H2
Windows 10 20H2
19045.2486
19044.2486
19042.2486
KB5021233
 
2022/12/13
Windows 10 22H2
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19045.2364
19044.2364
19043.2364
19042.2364
KB5020030
Preview
2022/11/15
Windows 10 22H2
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19045.2311
19044.2311
19043.2311
19042.2311
KB5019959
 
2022/11/08
Windows 10 22H2
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19045.2251
19044.2251
19043.2251
19042.2251
KB5020953
Out-of-band
2022/10/28
Windows 10 22H2
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19045.2194
19044.2194
19043.2194
19042.2194
KB5018482
Preview
2022/10/25
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.2193
19043.2193
19042.2193
KB5020435
Out-of-band
2022/10/17
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.2132
19043.2132
19042.2132
KB5018410
 
2022/10/11
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.2130
19043.2130
19042.2130
KB5017380
Preview
2022/09/20
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.2075
19043.2075
19042.2075
KB5017308
 
2022/09/13
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.2006
19043.2006
19042.2006
KB5016688
Preview
2022/08/26
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1949
19043.1949
19042.1949
KB5016616
 
2022/08/09
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1889
19043.1889
19042.1889
KB5015878
Preview
2022/07/26
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1865
19043.1865
19042.1865
KB5015807
 
2022/07/12
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1826
19043.1826
19042.1826
KB5014666
Preview
2022/06/28
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1806
19043.1806
19042.1806
KB5016139
Out-of-band
2022/06/20
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1767
19043.1767
19042.1767
KB5014699
 
2022/06/14
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1766
19043.1766
19042.1766
KB5014023
Preview
2022/06/02
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1741
19043.1741
19042.1741
KB5015020
Out-of-band
2022/05/19
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1708
19043.1708
19042.1708
KB5013942
 
2022/05/10
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1706
19043.1706
19042.1706
KB5011831
Preview
2022/04/25
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1682
19043.1682
19042.1682
KB5012599
 
2022/04/12
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1645
19043.1645
19042.1645
KB5011543
Preview
2022/03/22
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1620
19043.1620
19042.1620
KB5011487
 
2022/03/08
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1586
19043.1586
19042.1586
KB5010415
Preview
2022/02/15
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1566
19043.1566
19042.1566
KB5010342
 
2022/02/08
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1526
19043.1526
19042.1526
KB5009596
Preview
2022/01/25
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1503
19043.1503
19042.1503
KB5010793
Out-of-band
2022/01/17
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1469
19043.1469
19042.1469
KB5009543
 
2022/01/11
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
19044.1466
19043.1466
19042.1466
KB5008212
 
2021/12/14
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
Windows 10 2004
19044.1415
19043.1415
19042.1415
19041.1415
KB5007253
Preview
2021/11/22
Windows 10 21H2
Windows 10 21H1
Windows 10 20H2
Windows 10 2004
19044.1387
19043.1387
19042.1387
19041.1387