Reading guides on Yasuo which you can find here, watching about his gameplay/matchups etc from other high elo yasuo players on youtube who have already played his matchups or watching other people play him for example are all good ways of getting better on him.
Even if people just tell you how to play.. Theres no way you will master him without +200game experience.. Just play him. You will int a lot for the start.. But after a few games you should get better at him.
When you pick up yasuo, focus on farming and getting that IE and shiv item damage spike. Then just remember to press R on knockups etc. But you probably shouldn't be the one engaging, wait for a distraction or a bait from your team if you must. If you fall behind, split push safely to get to the item power spikes. I don't play yasuo, but this is what i've noticed or seems to happen often.
Don't
Just kidding you better watch people who play the champion because he needs more experience than knowledge. I recommend watching yassuo(stream or youtube) or LIDER (He doesn't stream much but worth watching and he is a pro player 2019 MSF Midlaner at LEC).
Pay attention on how they manage the wave it's a big part of yasuo because of the E, also don't be afraid to take risk but don't take a BLIND RISK, you will have a bad kda anyway even faker has :)
overall you are playing a melee adc without sup but worth learning you can play top, mid, adc (plz dont play yasuo jungle).
Farm and play with your jungler, Yasuo has very good engage if there is a minion wave for him to dash too. Make sure you always ward and know the enemy jungler's location because Yasuo is a melee and so he needs to move up to push or take cs, he has a very bad escape if he has no minions to dash to so play safe and ward. If your jungler is somewhat near, you can move up but just care for potentially a camp.
Once you get to mid-game without feeding hopefully, you can practically 1 v 2 if you land your tornadoes and all the q's. Group with your team and try not to get caught.
Number to learn is PLAY A LOT AND LEARN FROM OTHERS, WATCH FROM YOUTUBE, TWITCH, MIXER :^)
You really learn a lot from others and don't forgot about PRACTICE TOOL!
Good Luck
Just kidding you better watch people who play the champion because he needs more experience than knowledge. I recommend watching yassuo(stream or youtube) or LIDER (He doesn't stream much but worth watching and he is a pro player 2019 MSF Midlaner at LEC).
Pay attention on how they manage the wave it's a big part of yasuo because of the E, also don't be afraid to take risk but don't take a BLIND RISK, you will have a bad kda anyway even faker has :)
overall you are playing a melee adc without sup but worth learning you can play top, mid, adc (plz dont play yasuo jungle).
Once you get to mid-game without feeding hopefully, you can practically 1 v 2 if you land your tornadoes and all the q's. Group with your team and try not to get caught.
Number to learn is PLAY A LOT AND LEARN FROM OTHERS, WATCH FROM YOUTUBE, TWITCH, MIXER :^)
You really learn a lot from others and don't forgot about PRACTICE TOOL!
Good Luck