Growth mindset is a concept with broad impact on individual’s abilities and skills. It is how a person can learn-it-all instead of know-it-all. In other words, the belief that skills and abilities can be improved in the purpose of the work you do .
People that embrace growth mindset enjoy challenges, strive to learn, and consistently see potential to develop new skills. They see potential in collaboration, helping others, seeking feedback, making others successful.
The following video below describes  some common misconceptions and facts about companies failing to implement it:
Managers are essential to recognise that all people have potential. They encourage people to develop and acknowledge/celebrate employee learning, risk-taking, and achievements. It could be a simple “Thank you for your effort.”.
Microsoft course to learn about it: Build your tech resilience – Learn | Microsoft Docs