When performing operations in a web browser, select [Save].
Run executable files, such as installers and self-extracting documents, in a safe manner. To run an executable file in a safe manner, launch the executable file in a safe environment (an environment that does not contain any suspicious files, such as suspicious DLL files), as follows:
Download the executable file. (In a web browser, click [Save].)
Create a new folder.
Move the executable file to the folder you created.
Launch the executable file.
Be sure to run executable files in a safe manner, even if the executable files are stored in a file-sharing directory.