If any file has an issue, installation stops without changes to your system, and you'll see a message that the installer encountered an error. The installer automatically verifies the files in the package. Make sure that the SHA-256 fingerprint in the installer matches one of the following fingerprints from Apple's current or earlier certificate. If they match, the signature is verified: click OK and allow the installer to continue.Scroll to the bottom of the Details section to see the SHA-256 fingerprint.It also addes keyboard shortcuts for 3D preview mode to view joint from the (ctrl-y) top, (ctrl-g) side, and (ctrl-j) end. Click the triangle next to the word "Details" to see more information about the certificate. Download Digital Pipe Fitter, v 1.92a Version 1.92a is mostly a bug fix for issues with the Node Joint and Reducing Turn Joint.
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Select "Apple Software Update Certificate Authority," as pictured below. If you see a different certificate authority, or the certificate doesn't have a green checkmark indicating that the certificate is valid, don't install the package.If neither icon is present, the package is unsigned, and you shouldn't install it. Click the lock icon or certificate icon in the upper-right corner of the installer window to see information about the certificate.Double-click the software update package (.pkg) file to open the installer.If you manually download an Apple software update, you can confirm that the update is authentic and complete by verifying the digital signature before installation.