TechSmith Camtasia Studio 8 is a program for creating and editing video tutorials, presentations, and other educational materials. It allows users to record their computer screen, add various effects, comments, and transitions to videos, as well as create interactive elements.
Key features of the product include:
Screen recording with the ability to select the recording area, add annotations, and comments.

Import of video files from various sources.

Video editing: trimming, splitting, merging, adding transitions and effects.

Creation of interactive elements: buttons, links, and surveys.

Exporting videos in various formats and resolutions.

Support for working with audio files.

Ability to publish videos on various platforms.

Improved performance and stability of the program.

New tools for video editing.

Expanded capabilities for creating interactive content.
The program can be beneficial for educators who want to create high-quality video lessons for their students, as well as for specialists who need to visually demonstrate their skills and knowledge. TechSmith Camtasia Studio 8 provides a wide range of features for creating professional educational materials and makes the video creation process more convenient and efficient.

For Windows
Download software from - https://download.techsmith.com/camtasiastudio/enu/860/camtasia.exe
Install software.
Open software.
A new window pops up: Choose option "I have a software key"
Enter data in required software fields: "Name" - user's name; "Key" - your bought key.
Press button confirming entered data. 7. Your software is working now.