Purchase a used, legitimate diagnostic adapter from eBay (often $50–$100). The seller will transfer the software license. Then download the official installer. This gives you the "top" experience legally.
If you are a van-lifer looking for a "top free download," (Eberspächer’s newer Bluetooth app). It does 80% of what EDITH does without the driver hell. eberspacher edith software download top
The official software for diagnosing and servicing Eberspächer air and water heaters is Purchase a used, legitimate diagnostic adapter from eBay
Eberspächer has largely replaced EDITH with the newer e-Client software and web-based platforms. Official download links for EDITH are no longer readily hosted by Eberspächer for the public. Purchase a used