
- CRITICAL UPDATES INSTALL
- CRITICAL UPDATES UPDATE
- CRITICAL UPDATES UPGRADE
- CRITICAL UPDATES WINDOWS 8.1
- CRITICAL UPDATES FREE
Released: December 2017 Quarterly Exchange Updates Released: March 2018 Quarterly Exchange Updates Released: June 2018 Quarterly Exchange Updates Released: October 2018 Quarterly Exchange Updates The following table contains links to Exchange Team blog posts ("What's New" information) for this and other Exchange 2016 CUs.
CRITICAL UPDATES INSTALL
Because each CU is a full installation of Exchange that includes updates and changes from all previous CUs, you don't need to install any previous CUs or Exchange 2016 RTM first.
CRITICAL UPDATES UPDATE
To get the latest version of Exchange 2016, download and install Cumulative Update 23 for Exchange Server 2016.
CRITICAL UPDATES UPGRADE
Released: February 2019 Quarterly Exchange Updatesįor information about the new features you'll get when you upgrade to Exchange 2019 from previous versions of Exchange, see What's new in Exchange Server. Released: June 2019 Quarterly Exchange Updates Released: September 2019 Quarterly Exchange Updates Released: December 2019 Quarterly Exchange Updates Released: March 2020 Quarterly Exchange Updates Released: June 2020 Quarterly Exchange Updates Released: September 2020 Quarterly Exchange Updates Released: December 2020 Quarterly Exchange Updates

Released: March 2021 Quarterly Exchange Updates Released: June 2021 Quarterly Exchange Updates Released: September 2021 Quarterly Exchange Updates Released: 2022 H1 Cumulative Updates for Exchange Server Released: 2023 H1 Cumulative Updates for Exchange Server

The following table contains links to Exchange Team blog posts ("What's New" information) for this and other Exchange 2019 CUs. When installing a new Exchange server using the latest released CU, you don't need to install Exchange RTM or any previously released CU. Each CU is a full installation of Exchange that includes all updates and changes from previous CUs.
CRITICAL UPDATES WINDOWS 8.1
If you're still running Windows 7 or Windows 8.1 and want to make the move to Windows 10, you can learn more at Upgrade to Windows 10: FAQ.To get the latest version of Exchange 2019, download and install Cumulative Update 13 for Exchange Server 2019.
CRITICAL UPDATES FREE
If you're warned by Windows Update that you don't have enough space on your device to install the update, see Free up space for Windows updates. If version 22H2 isn't offered automatically through Check for updates, you can get it manually through the Windows Update Assistant. If you want to install the update now, select Start > Settings > Update & Security > Windows Update, and then select Check for updates. To check whether you're already running the WindUpdate, select View update history on the Windows Update settings page. After that, your device will be running Windows 10, version 22H2. You'll then need to restart your device and complete the installation. Choose a time that works best for you to download the update. When the WindUpdate aka Windows 10, version 22H2 is ready for your device, it will be available to download from the Windows Update page in Settings. Get Windows updates as soon as they're available for your device Learn more about upgrading to Windows 11 at Upgrade to Windows 11: FAQ. If you experience internet connection issues while updating your device, see Fix Wi-Fi connection issues in Windows. If you're warned by Windows Update that you don't have enough space on your device to install updates, see Free up space for Windows updates.

If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows. If updates are available, you can choose to install them. To check for updates, select Start > Settings > Windows Update , then select Check for updates.

To learn more about this, see Get Windows updates as soon as they're available for your device. You can now choose to have Windows get the latest non-security and feature updates as soon as they become available for your device. Get the latest updates automatically as soon as they're available The latest Windows update is Windows 11, version 22H2, also known as the WindUpdate. Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies-including controlled feature rollout (CFR). Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.
