First of all, you need to click on THIS Link and click on Trial Version.
Now create a free account with your Email ID.
Now start downloading Camtasia From publisher website.
After downloading completed, Installed into your Windows.
After installation, you need to Download Camtasia Activator From below link.
After downloading activator, Don’t forget to disconnect your Internet (Recommended)
Now unzip. ca.zip file. and open extracted folder name “Camtasia Studio 2018 Activators For Windows and macOS“
In this Folder, you will see “Camtasia 2018 Activator.exe” now run it on admin
And activate your Camtasia any new and old version Thanks, Don’t forget to share this software with your Friends.