Global Talent replaced the Tier 1 (Exceptional Talent) and applies to those who possess a recognised exceptional talent or are demonstrating an exceptional promise in the field of academia or research, arts and culture or digital technology.
Endorsement
Before applying for this visa, you should apply for endorsement with an accredited institution, recognised by the Home Office and obtain confirmation or recognition by the accredited body.
The endorsement application should be made first and they should be in one of the following fields:
From an approved endorsing body:
Validity Period of Global Talent
You are allowed to live for 5 years at a time in the UK. You can extend your visa upon the expiry of your visa.
Indefinite Leave to Remain
This will depend on the way you have applied and on your job. You might be able to apply for settlement after 3 or 5 years of stay in the UK.