Right-click the file and select "Run as Administrator" to prevent Windows from blocking the installation.
If you are simply recovering an old backup or trying to open a legacy DWG file, consider using the free (also from Autodesk) or converting to a newer release using a batch converter. autocadlt2015sp164bitexe
Closes vulnerabilities related to malicious script execution. Technical Specifications Specification File Name Variant AutoCAD_LT_2015_SP1_64bit.exe Architecture 64-bit (x64) only Software Required Base installation of AutoCAD LT 2015 Supported OS Windows 7, Windows 8, Windows 8.1, Windows 10 File Type Executable application ( .exe ) How to Install the Executable Right-click the file and select "Run as Administrator"
It is recommended to close all running applications, particularly AutoCAD. Installation Procedure particularly AutoCAD. Installation Procedure