look up 500 most used Spanish words
100 most used phrases
words that are the same in English
words that are almost the same in English
Think in Spanish. You see a green car, say it in Spanish in your head. Double check with Siri/Alexa/google translate
Duolingo
Watch Spanish cartoons or easy shows with subtitles. Many lessons are free online and on youtube. I wouldn't pay for anything quite yet.
You got to know 1000 words to be able to start speaking and thinking in Spanish.
Make up 3-4 word sentences and then add more words to your sentence.