Fellow musician here!
A lot of dope advice on this thread
Focus first on technique than speed. Make sure you’re picking correctly. Place your fingers gently on the strings. Once you grasp all of this, pick up the pace.
Use music theory. As a guitarist, this is your guide, your instruction guide to follow. Don’t consume all at all once you’re stress yourself out
Experiment with different brand of strings.
Learn different scales and picking. Memorize the transition of notes within each scale. Create arpeggios from the notes in those notes as a little test.
Find the tabs of songs you want to play. Record yourself playing alongside songs. It’s gonna several takes for you to master, for me, it did.
Create your own signature
Last but not least — LISTEN to a lot of MUSIC! Sample various genres - Jazz, Rock, Blues, R&B, Hip Hop, Latin, African, etc.
Below I’m giving this website of various guitar techniques to discover such as Octaves, Hammer-ons, Economic Picking
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Learn Guitar Skills & Techniques)
Enjoy!