KB4541335 optional update is now readily available for Windows 10 v1909 and v1903 users. Listed here are direct download links for that offline installer.

Microsoft just released an optional cumulative update for Windows 10 v1909 and v1903 editions. Becoming an optional update, it's not necessary to do the installation immediately. Generally, I recommend you wait per week or so to install the update. This way, even if the update has bugs inside it, they'll be ironed out in time.

Like most optional updates, KB4541335 comes with a large amount of fixes and enhancements. Notably, fixes for performance difficulties with DRM protected content, roaming profiles, Your Phone app, time zone issues, VPN issues, etc. You can download the KB4541335 update offline installer while using download links given below.

KB4541335 Offline Installer Download Links

To create things simpler for you, I found the direct download links for KB4541335 for both Windows 10 32-bit and 64-bit systems. Based on the body type, download the update while using below links and install it like every other Windows software. After installing, restart the machine and you're simply all set.

For v1903:

KB4541335 x64 (64-bit) offline installer (download size: 358.1 MB)

KB4541335 x64 (32-bit) offline installer (download size: 193.1 MB)

For v1909:

KB4541335 x86 (32-bit) offline installer (download size: 193.7 MB)

KB4541335 x64 (64-bit) offline installer (download size: 358.6 MB)

If you would like KB4541335 download links for Windows Server, ARM64 based systems, or some other version the go towards the Microsoft update catalog web site to find the proper links. All you have to do is click the Download button next to the appropriate version.

Update Change Log

For v1909:

This build includes all of the improvements from Windows 10, version 1903.

Addresses an element that does not retain the locale language establishing an OS image that's customized during system preparation (Sysprep).

For v1903:

Addresses an element that causes a mistake when printing to some document repository.

Addresses an element that displays a misleading reset message for Win32 apps which are transformed into Universal Windows Platform (UWP) apps, for example Microsoft Sticky Notes, Microsoft Onenote, and so forth.

Addresses a drawing issue with the Microsoft Foundation Class (MFC) toolbar that occurs when dragging in a multi-monitor environment.

Addresses an issue that prevents the first key stroke from being recognized correctly within the DataGridView cell.

Addresses a performance issue in applications that happens when content that's protected by digital rights management (DRM) plays or perhaps is paused without anyone's knowledge.

Addresses an element that causes attempts to take a screenshot of the window while using PrintWindow API to fail.

Addresses an issue that causes File Explorer to shut unexpectedly when utilizing roaming profiles between different versions of Windows 10.

Addresses an issue that fails to return search results in the Start menu Search box for users which have no local profile.

Addresses an issue that causes applications to close unexpectedly when a user enters East Asian characters after changing the laptop keyboard layout.

Addresses an element that prevents the mute button from working on certain devices with the Microsoft Your Phone app.

Addresses an element that causes calendar dates to look on the wrong day of the week in the clock and date region of the notification area whenever you choose the Samoa time zone.

Addresses an issue by which table formatting fails in the PowerShell Integrated Scripting Environment (ISE) throughout a remote session. The error message is, "Remote host method get_WindowsSize isn't implemented".

Addresses a problem with reading logs while using OpenEventLogA() function.

Addresses an element that might cause domain controllers (DC) to join up a lowercase along with a mixed or all uppercase Website name System (DNS) service (SRV) record within the _MSDCS.<forest root domain> DNS zone. This occurs when DC computer names contain a number of uppercase characters.

Addresses an issue that might cause a delay of up to two minutes when logging into websites or unlocking a session on Hybrid Azure Active Directory-joined machines.

Addresses an issue that causes authentication within an Azure Active Directory environment to fail and no error appears.

Addresses an element that prevents machines which have enabled Credential Guard from joining a domain. The mistake message is "The server's clock is not synchronized using the primary domain controller's clock."

Addresses an element that causes authentication to fail when utilizing Azure Active Directory and the user?¡¥s security identifier (SID) has changed.

Addresses an element that prevents some machines from automatically entering Sleep mode under certain situations due to Microsoft Defender Advanced Threat Protection (ATP) Auto Incident Response (IR).

Addresses an issue that prevents some machines from running Microsoft Defender ATP Threat & Vulnerability Management successfully.

Improves support for non-ASCII file paths for Microsoft Defender ATP Auto IR.

Addresses a performance problem with the Windows Runtime (WinRT) API that sends specific absorption rate (SAR) back-off values.

Addresses an issue in which a Windows.admx template is missing one of the SupportedOn tags.

Addresses an issue that prevents applications from closing.

Addresses an element that creates the Storage Replica administrator group with the incorrect SAM-Account-Type and Group-Type. This makes the Storage Replica administrator group unusable when moving the primary domain controller (PDC) emulator.

Restores the constructed attribute in Active Directory and Active Directory Lightweight Directory Services (AD LDS) for msDS-parentdistname.

Addresses a problem with evaluating the compatibility status from the Windows ecosystem to help ensure application and device compatibility for those updates to Windows.

Addresses an element that prevents Microsoft Consumer experience Virtualization (UE-V) settings from roaming to enable the signature files which are used for new messages, forwarded messages, and replies.

Addresses an element that prevents the Network Policy Server (NPS) accounting feature from functioning. This happens when NPS is configured to use SQL for accounting using the new OLE (compound document) database driver (MSOLEDBSQL.dll) after switching to move Layer Security (TLS) 1.2.

Addresses an issue that prevents standard user accounts that are configured using the maximum User Account Control (UAC) settings from installing Language Features When needed (FOD) while using System settings.

Addresses an element that causes tries to complete the connection to a virtual private network (VPN) to fail; instead, the status remains at "Connecting."

That's it.