You can schedule the downloads, or download them manually:
You can schedule both checking for updates and downloading them:
If the most recent updates are not being displayed in the Available System Updates panel on the System Updates page, you can manually refresh the display.
In ZENworks Control Center, click Configuration in the left pane, then click the System Updates tab.
In the Available System Updates panel, click Action > Check for Updates.
Any available updates are displayed with a status of Available.
To re-sort the listed updates, click the heading for any of the columns in the Available System Updates panel.
Click the heading a second time to reverse the sorting order.
In ZENworks Control Center, click Configuration in the left pane, then click the System Updates tab.
In the Available System Updates panel, select the check box next to one or more updates, click Action, then click Download Update.
The update is downloaded and its status is eventually set to Downloaded.
Depending on the size of the update, the downloading process can take some time.
To refresh the view of the download progress (Status column), click the System Updates tab or use the Auto Refresh option.
If you want to use deployment stages to apply the selected updates, go to Section 16.0, Deploying Updates to configure the stages and deploy the updates.
or
To immediately apply the downloaded updates to all applicable devices in the Management Zone, select the check box for the downloaded update that you want to deploy, then click Action > Deploy Update to Devices. The Create System Update Deployment Wizard steps you through the deployment process. For more information, see Section 16.0, Deploying Updates.
If you have servers in your environment that do not have Internet access, you can obtain the update or Product Recognition Update (PRU) files from the Novell Downloads page, copy the files onto a CD or other media, and then use the CD to import the files to a ZENworks Primary Server by using the zman system-update-import command. For more information, see System Update/Product Recognition Update Commands
in the ZENworks Command Line Utilities
guide.
After the files are on a ZENworks Primary Server, the update or PRU displays in the Available System Updates panel on the System Updates tab in ZENworks Control Center (Configuration > System Updates). You can then follow the instructions in Section 16.0, Deploying Updates to deploy the update to managed devices.