I'm going to start exercising with small strength training exercises!

I try to do aerobic exercise 2-3 times a week.
I'm trying to start strength training because I feel like I lack muscle strength from only doing aerobic exercise.
First of all, I try to walk with strength in my feet and put strength in my buttocks when going up stairs.
Now I'm going to start doing some simple strength training at home.
Are there any good home workouts?