Lỗi Autodesk Revit 2024 is already installed

One, or both, of the following registry keys would be the most likely cause of a Revit 2024 is already installed message:
HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\UPI2\{BD020DC3-CB90-42D7-8394-3353483CDEC2}
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{7346B4A0-2400-0510-0000-705C0D862004}

Solution:

1. Download the Windows FixIt tool here.
2. Run the Windows FixIt tool and select ‘Next’ and then select ‘Uninstalling’.
3. Select ‘Not Listed’ as the program you want to uninstall and click ‘Next’.
4. Enter the product code of the version of Revit you would like to uninstall:
5.     Revit 2021: {7346B4A0-2100-0510-0000-705C0D862004}                                                                                Revit 2022: {7346B4A0-2200-0510-0000-705C0D862004}                                                                          Revit 2023: {7346B4A0-2300-0510-0000-705C0D862004}                                                                        Revit 2024: {7346B4A0-2400-0510-0000-705C0D862004}                                                                    Revit 2025: {7346B4A0-2500-0510-0000-705C0D862004}
6. Click ‘Next’ and wait for the uninstallation process to complete.
7. Once it has finished retry the installation .