ControlFreak 1.5 is freeware - it's free for anyone to use for an unlimited time.
The ControlFreak download is free from adware, spyware, PUP, or any other kind of unwanted extras.
Save the download, unzip, and install by running setup.exe (a short installation instruction is included.)
ControlFreak is an Excel template so you will need to have Excel 2016, 2019 or 365 (32 or 64 bit) already installed on your Windows computer.