View source for SharePoint/Install updates for SharePoint Server

== Overview ==
Microsoft releases updates monthly for SharePoint Server, which contain improvements and fixes.

SharePoint updates are '''cumulative''', so each update contains all of the fixes released up to that point, including all previously released security fixes. Only the most recently released update needs to be installed.

== Prerequisites ==
* The account used for operation must be a membership of '''local Administrators''' group or equivalent on the target server.
* <code>securityadmin</code> fixed server role on the SQL Server instance.
* <code>db_owner</code> fixed database role on all databases that are to be updated.

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== Download the update ==
{{Note|Visit [https://learn.microsoft.com/en-us/OfficeUpdates/sharepoint-updates this article] for more information about updates and then download the updates.<br>You can use Windows Update to download and install updates automatically.}}
[[File:MS_SharePoint_Updates_Download.png|600px|right]]

For Subscription Edition, download the latest update.

For SharePoint Server 2019 and 2016, download the latest update and language patch. If no language patch is released this month, select the patch 
closest to the current date.

For SharePoint Server 2013, download the latest update.
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== Install the update ==
=== Before you begin ===
* All servers are operating properly.
* Perform a full backup to reduce downtime if the update fails.
* Choose an appropriate time to minimize the impact of installing updates.

=== Install the update ===
{{Note|This section takes manual installation of updates as an example.<br>When you download the update, go to the Microsoft Download Center to download the .exe file.}}
[[File:MS_SharePoint_Updates_Installation.png|600px|right]]

Run the update program '''as administrator'''.
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[[File:MS_SharePoint_Updates_Installation_2.png|600px|right]]

Accept the license terms and click '''Continue'''.
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[[File:MS_SharePoint_Updates_Installation_3.png|right]]

Wait for the program to determine and install the files that need to be updated.
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[[File:MS_SharePoint_Updates_Installation_4.png|right]]

Click '''OK''' to finish the installation.
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=== Finish the installation ===
[[File:MS_SharePoint_Updates_Finish.png|700px|right]]

Open a Command Prompt '''as administrator''' and run the following command:

<span style="font-size: 14px"><syntaxhighlight lang="powershell" line>
cd \Program Files\Common Files\microsoft shared\web server extensions\16\BIN
PSConfig.exe -cmd upgrade -inplace b2b -wait -cmd applicationcontent -install -cmd installfeatures -cmd secureresources
</syntaxhighlight></span>
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[[File:MS_SharePoint_Updates_Finish_2.png|700px|right]]

View the output to verify that the command was executed successfully.
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== Verify the installation ==
[[File:MS_SharePoint_Updates_Verification.png|700px|right]]

Log in to the Central Administration and navigate to '''Upgrade and Migration → Check product and patch installation status'''.
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[[File:MS_SharePoint_Updates_Verification_2.png|700px|right]]

Check the list to confirm the install status is '''Installed'''.
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