Hi!
Thank you for posting your query on community forum!
As I understand you are looking for Microsoft Certified Technician for in-person support, Microsoft provides in-person support only for Microsoft devices such as (surface devices) however, you can contact to Microsoft Support for personal assistance (online) they have advance tool such has live chat support, remote session, where you can get assistance from certified professionals. Here I am sharing you the link through which you can contact them:
Contact Us - Microsoft Support
But if you are looking for in-person support for your Windows device you can find some third-party service provider/store at your local area, you can look for them over the internet.
I hope this answers your query but if you need further assistance feel free to reply.
Best regards,
Scott | Microsoft Community Moderator.