If you have downloaded PasteNow-1.1.dmg, installation is straightforward. Follow these steps to get started:
Downloads folder.PasteNow-1.1.dmg. macOS will verify the image and mount it as a virtual drive on your desktop and in the Finder sidebar.License.rtf file. Review the terms.PasteNow.app icon and a shortcut to your Applications folder. Drag and drop the PasteNow.app icon onto the Applications folder shortcut.Applications folder, find PasteNow.app, and double-click to launch it. (macOS may ask you to confirm opening an app downloaded from the internet—click "Open").System Settings > Privacy & Security to enable these toggles.Open the .dmg file: Double-click on the "PasteNow-1.1.dmg" file. This will mount the disk image on your system, usually creating a new icon on your desktop and in the Finder sidebar. PasteNow-1.1.dmg
While I don't have access to the specific version history of every file on the internet, based on the file name ("PasteNow", ".dmg" indicating a macOS application, and "1.1"), this likely represents a File report — PasteNow-1
hdiutil attach PasteNow-1.1.dmg
spctl -a -v /Volumes/<MountedName>/*.app
codesign -dv --verbose=4 /Volumes/<MountedName>/*.app
hdiutil detach /Volumes/<MountedName>