Originally required at least 4 GB of RAM (8 GB+ recommended) and a 64-bit Windows operating system. Note that Revit has not supported 32-bit systems since the 2015 version. The Dangers of Torrenting Portable Software
: Autodesk actively tracks unlicensed activity. Companies caught using pirated software face costly audits and potential legal action. Official & Safe Alternatives
If you need to use Revit without a high upfront cost, consider these official options:
Revit is a complex Building Information Modeling (BIM) application that relies heavily on specific system registry entries, .NET Framework versions, and library paths. "Portable" versions are often stripped-down or "thin-app" versions that frequently: