Thank you for your query. I am a Solicitor-Advocate in the UK and will be assisting you with your question today.
At present, the options available to you are:
1. Start-Up Visa - strict requirements and investment of 50k
2. Innovator Visa - strict requirements
3, Dependant Relative - over the age of 70
Unfortunately, the routes to settlement in the UK are very limited at present as the Government has tightened the immigration rules and only certain migrants in various employment categories are eligible.
There may be some other options available top you, however, I would need a lot more information about your personal circumstances before providing any further guidance.
I hope this answers your question. If you have any further questions, please do not hesitate to ask.