ArcGIS is complex software. Using a crack can cause frequent crashes, corrupted project files, or "bugs" that don't exist in the official version, potentially ruining hours of work.
Here's a step-by-step guide to help you download and use the ArcGIS 10.5 Keymaker: Arcgis 10.5 Keymaker Download
Getting a "keymaker" or "crack" for ArcGIS 10.5 might seem like a quick way to skip the high cost of GIS software, but it usually ends up being more trouble than it’s worth. Here’s why downloading these tools is risky and what you can do instead. The Risks of Using a Keymaker ArcGIS is complex software