Step 1
Create a new project and set its canvas size to the video size:
Step 2
Add the video to the project.
Step 3
Add the video to the playhead.
Step 4
Scroll the video to the required frame.
Step 5
Press CTRL+F or use the menu: «Share» → «Export Frame As»
support.techsmith.com/hc/en-us/community/posts/360071770772/comments/360011996271