What is the way to update notarized app distributed outside the MAC Appstore in .zip format?

I'm distributing my app in zip format. But stuck in app update? My app self-detects for the latest version. If yes, then launch other non-appsandbox app that download the latest version, and then replace the old app (in the /Applications directory) with the new one. It works correctly. But once I made the Updater app a Sandbox app, it did not allow me to replace the app. Error: You don’t have permission to save the file “ESPlus” in the folder "Applications.”

We have three MAC-OS app which I need to distribute to 100 end user in the same organisation. I had followed the Notarization process given by Apple and successfully notarised it. After exporting I have ***.app with me. Now, How to prepare the installer file like other apps distributed outside the App Store?

I have my macOS app, which I'm distributing outside the MAC App Store through Notarizing the App. When my end-user unzipped my App (which they downloaded from a shared URL path) and opened it, It crashed after the first time opening (by clicking on the Gatekeeper check popup: "Chrome downloaded this file today at 11:10 AM. Apple checked it for malicious software and none was detected. ") In my macOS app (distributing outside the MAC App Store through Notarizing the app), though I removed AppSandbox capability, I am still not able to read/write to the Resource folder. Error ESPlus-2023-06-28-173050_ips.txt Error Domain=NSCocoaErrorDomain Code=513 "You don’t have permission to save the file “SupportTextFiles” in the folder “Resources”." UserInfo={NSFilePath=/x.app/Contents/Resources/SupportTextFiles, NSUnderlyingError=0x6000030e3c00 {Error Domain=NSPOSIXErrorDomain Code=1 "Operation not permitted"}}