A lot of coding practise, check some youtuber who is teaching c++ for example, so you can learn more and improve that what you already know. Get a book with exercises to practise :) That is a big help as well!
After completing C++ Tutorial 🤔🤔
⏩ You can check your knowledge by SoloLearn challenges
⏩ You can start learning some good another tutorials for additional knowledge
⏩ Use Q & A thread for get answers for your questions.
⏩ Try out some codes.
⏩ Learn from soloearners codes.
⏩Try to do SoloLearn assignments.
✅ Try out codecademy C++ course it is good one for beginners to gain knowldege .
You can try out this in codecademy 7 free pro trial period.
✅After codecademy the best place is in my opinion Pluralsight.
Actually i love it .
It has c++ learning path .
And well organized courses from beginner to advance level.
✅ Cousera C++ courses.
✅ Udemy . It has some free courses too.
✅ Alison Courses.
✅ Tutorials Point .
✔✔✔Or finally you can start learning other languages based on C++ such as C tutorial or C# tutorial.
After I finished the C++ course I later started a free guide in the site Learncpp, may be the best site to learn c++ if you are newbie , because it teaches you the principal foundation of C++ and teaches you how to become a good c++ programmer as well as giving you a lot of warnings, tips , suggestions and , most important, it is an active site , constantly getting updated, and with a lot of pratical problems so you can practice and apply your new knowledge.