To ensure "work" stability on a 64-bit machine, the following hardware is recommended:

Since SketchUp 2016 is legacy software, official "white papers" are no longer actively circulated by Trimble (the current owners), but the following resources are the most useful documents available for working with this specific version.

If you are looking for a reliable way to get (64-bit) in Spanish, your best bet is to look for legacy installer archives. Since Trimble (the developer) has moved to a subscription model for newer versions, finding older Pro versions "working" usually refers to finding a clean installer and a valid license. Key Details for SketchUp 2016 Version: SketchUp Pro 2016 (16.x)