Microsoft released KB5010415 (OS Builds 9042.1566, 19043.1566, and 19044.1566), the monthly “C” release preview cumulative update with non-security improvements and fixes for Windows 10.
Update: To get the update, go to Settings > Update & Security > Windows Update. The link to download and install the update can be found in the Optional updates available area. To get the standalone package for this update, go to the Microsoft Update Catalog website.
If your devices do not have the May 11, 2021 update (KB5003173) or later LCU, you must install the special standalone August 10, 2021 SSU (KB5005260). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
Windows 10 update history
Update: To get the update, go to Settings > Update & Security > Windows Update. The link to download and install the update can be found in the Optional updates available area. To get the standalone package for this update, go to the Microsoft Update Catalog website.
If your devices do not have the May 11, 2021 update (KB5003173) or later LCU, you must install the special standalone August 10, 2021 SSU (KB5005260). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.
Windows 10 update history