Release Notes
Windows Installation Instructions
In Windows 10, once you click on the .exe installer file, the Microsoft Defender SmartScreen may be displayed. In that case, to install the application you have to click on 'More info' and then 'Run anyway'. Windows displays this alert window when an application has not yet been installed by a minimum number of users.
Calmly Writer is a secure application and its code is signed with a digital certificate.
More info about Microsoft Defender SmartScreen