TechSmith, the maker of Snagit, regularly blacklists leaked keys, meaning your software might stop working unexpectedly.
Keep an eye on sites like Humble Bundle or Fanatical, where Snagit is occasionally offered at a fraction of the retail price.
Many GitHub repositories offering "free keys" are bait for malware or phishing scripts.
The built-in Windows options are surprisingly capable for basic needs.
Even though newer versions exist, the 2021 edition remains a favorite because it introduced several "quality of life" features that changed how professionals communicate:
Explain how to use to replicate Snagit's best features
