To disable Product Feedback in Revit , do the following: Navigate to the following folder: %APPDATA%\Autodesk\ Revit \Autodesk Revit 2026 Release Open Revit .ini in a text editor.

Verify Templates installation In Revit 2021 and later, basic project and family templates should install automatically.

The issue may occur only when opening two models simultaneously in the same Revit session. The model also may get stuck on the opening process as shown in the following image: Open Model: Opening model: The journal may record entries as below: ' 0:< Exception occurred 'C 02-Mar- 2026 13:42:22.854; 0:< ExceptionCode=0xe0434352 ExceptionFlags=0x00000081 ExceptionAddress=00007FF8C81EA80A There is a conflict with one or more of the installed Revit add-ons.

Download a free trial Buy now Autodesk® Revit ® 2026 Product Line System Requirements and Recommendations Minimum: Entry-Level Configuration Value: Balanced price and performance Performance: Large, complex models Revit Cloud Worksharing Revit LT™ 2026 Revit ® Server 2026 For Apple computer: Parallels Desktop® for Mac: Recommended-Level Configuration Revit 2026 Minimum: Entry-Level Configuration Operating System * 64-bit Microsoft® Windows 10 v1809 or later or Windows 11.

Updated Contribution guide . Design Automation API for Revit 2026 The APS Design Automation API for Revit 2026 has been released, DA4R 2026 .

I also installed Revit on my new PC a couple of weeks ago, and it’s still working smoothly.

A machine with Revit versions 2021 through 2026 installed will open versions 2024 and later but not 2023 and earlier.

@Kevin.Lawson.PE wrote: Is Revit installed in the default location?

Hello, I'm new in AutoCAD development but I have a lot of experience in Revit API. In Revit the IExternalApplication.OnStartup is the best place to register a RibbonPanel when the application start.