Don't worry, just calm down! Though your Mac Trash Bin has been emptied, it doesn't mean the deleted files that were previously kept in the Trash folder are gone forever from the hard drive. In fact, it only marks the storage space the deleted files used to occupy can be used for new data writing. That is to say, it is possible to recover the deleted files as long as the data haven't been overwritten.
Therefore, stop any data writing steps to the Mac hard drive immediately and perform deleted file recovery ASAP! Since you don't have backed up your Mac with Time Machine or iCloud before you emptied the Trash, data recovery using Time Machine or iCloud is impossible. The data recovery software for emptied Mac Trash should be your last option to retrieve your deleted files.
Here, iBoysoft Data Recovery for Mac is recommended, which is a professional data recovery software for Mac to recover emptied Mac Trash. This powerful data recovery tool works on macOS 13/12/11/10.15/10.14/10.13/10.12 and OS X 10.11 and is compatible with Intel Macs and Apple Silicon Macs.
To recover the deleted files from emptied Mac Trash Bin using iBoysoft Data Recovery for Mac, do the following:
Step 1: Free download, install, and launch iBoysoft Data Recovery for Mac on your Mac.
Step 2: Select Storage Device or Disk Image under Data Recovery.
Step 3: Select your macOS internal disk and click Search for Lost Data to start scanning.
Step 4: Once the scanning process is finished, you can filter these recoverable files by different categories and then preview the scanning results. Select all the deleted files you want to recover and click "Recover" to retrieve them from the Mac disk. Rember to not store these recovered files in their original place to avoid data loss.