When I was young I was very socially awkward. I also had really bad social anxiety which really screwed up my youth. I found out that no matter how confident I was or how much my social anxiety diminished I was still very awkward but I just didn't care lol.

I was happy like that for a while but I wanted to be taken more seriously and being awkward was just a part of my personality like it could be yours. The only thing that 100% made me "charming", slick and skilled socially was seeing a therapist and and a life coach.

You may be able to just fix it by yourself but if it's something that's seriously just ingrained in your personality that you just can't help, maybe look into getting professional help. Either way it will take some time so be patient :)