I got the following error message:
"This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows installer package."
the downloaded installation file is
File name: se_19000205_win64.msi size: 53,853,169.
The SHA-1 hash for the file is:
shasum se_19000205_win64.msi
11735bbd7793cb137f7f041f490eae29ab3fee8f
OS information:
SlickEdit 2014 (v19.0.1.1 64-bit)
OS: Windows 8 x64
OS Version: 6.02.9200
Memory: 18% Load, 3101MB/16344MB Physical, 3358MB/19288MB Page File, 306MB/134217727MB Virtual
Shell Info: C:\WINDOWS\system32\cmd.exe /q
Screen Size: 1920 x 1200