1. MacOS Catalina is compatible with these computers You can install macOS Catalina on any of these Mac models. This list will be updated as other compatible models become available. If you're using one of these computers with OS X Mavericks or later, you can install macOS Catalina.
2. This video is a temporary fix until Hikvision release a new firmware to allow the DVRs and NVRs to work natively without the need for a NPAPI plugin.

Milestone & Hikvision Plugin 1.0.5.6. Software Description: Plugins for Milestone XProtect Version 1.0.5.6 Software. HikCentral Professional V1.7.1. HikCentral Professional V1.7. Get the leading Video Management Surveillance system and experience all the benefits of.

These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.

What you need to create a bootable installer

• A USB flash drive or other secondary volume, formatted as Mac OS Extended, with at least 12GB of available storage
• A downloaded installer for macOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan

Download macOS

• Download: macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra
  These download to your Applications folder as an app named Install macOS [version name]. If the installer opens after downloading, quit it without continuing installation. To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
• Download: OS X El Capitan
  This downloads as a disk image named InstallMacOSX.dmg. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer.

Use the 'createinstallmedia' command in Terminal

1. Connect the USB flash drive or other volume that you're using for the bootable installer.
2. Open Terminal, which is in the Utilities folder of your Applications folder.
3. Type or paste one of the following commands in Terminal. These assume that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace MyVolume in these commands with the name of your volume.

Big Sur:*

Catalina:*

Mojave:*

High Sierra:*

El Capitan:

* If your Mac is using macOS Sierra or earlier, include the --applicationpath argument and installer path, similar to the way this is done in the command for El Capitan.

After typing the command:

1. Press Return to enter the command.
2. When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
3. When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.
4. After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.
5. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Big Sur. You can now quit Terminal and eject the volume.
   

Use the bootable installer

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes and a gear icon labled Options.
3. Select the volume containing the bootable installer, then click Continue.
4. When the macOS installer opens, follow the onscreen instructions.

Intel processor

1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Press and hold the Option (Alt) ⌥ key immediately after turning on or restarting your Mac.
3. Release the Option key when you see a dark screen showing your bootable volumes.
4. Select the volume containing the bootable installer. Then click the up arrow or press Return.
   If you can't start up from the bootable installer, make sure that the External Boot setting in Startup Security Utility is set to allow booting from external media.
5. Choose your language, if prompted.
6. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.

Learn more

For more information about the createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter the appropriate path in Terminal:

• Big Sur: /Applications/Install macOS Big Sur.app/Contents/Resources/createinstallmedia
• Catalina: /Applications/Install macOS Catalina.app/Contents/Resources/createinstallmedia
• Mojave: /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia
• High Sierra: /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia
• El Capitan: /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia

A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model.

SoundSource makes it easy to apply third-party Audio Unit plugins to any audio on your Mac. This is discussed in depth on the “Audio Effects” page of the SoundSource manual, found within SoundSource.

On MacOS 10.15 (Catalina) and higher, third-party Audio Units might fail to work as you expect. A change made by Apple means that all software must be “notarized” by their security systems. Non-notarized software is entirely prevented from running on MacOS, starting with Catalina.

This change means many older third-party Audio Unit plugins will fail to work as expected. This issue will occur in any modern Audio Unit host, including SoundSource, Apple's own GarageBand, and many others. When attempting to use third-party Audio Units, you may encounter non-functional plugins, error messages, or other undesirable behaviors.

Next steps from third-party plugin developers

To get their software working on recent versions of MacOS, developers of third-party Audio Unit plugins must issue updates. Once the software is properly updated, the plugins will again work as expected. You should be sure you've got the latest versions for all your Audio Units.

If you have a third-party Audio Unit which does not work on Catalina or higher, you should check with the developer to see if they have an update, and to request one if they don't.

How SoundSource handles third-party plugins on Catalina and higher

If you've previously used third-party Audio Units in SoundSource on MacOS 10.14 or lower, the application will disable those third party plugins when it's first run on MacOS 10.15 or higher. This is done to avoid you being overwhelmed with error messages from MacOS.

You can attempt to re-enable plugins one at a time, by toggling them to the “On” state. It's possible some of your plugins have already been updated, and will work as expected when you turn them back on. If you attempt to activate a plugin which is not properly notarized, MacOS will issue an error, similar to the following:

As mentioned, the long-term solution is for each plugin developer to issue properly notarized updates to their plugins. If you see an error like the one above, contact the plugin developer for an update. Once a plugin is updated, you'll be able to toggle it back on to have it work as you expect.

Hikvision Live View Plugin

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