Here’s a brief way to create a product variable that you can do:

1. Make sure you have read how to make simple products in the previous article.
2. Select Product data “Variable product”
3. go to the Attributes menu (tabs), then select the attributes that have been created, * Make sure you have read how to make product attributes in the previous article
4. activate “Used for variations” and input all the values of the existing attributes
5. Go to the Variations menu (tabs) and select the attributes that have been created for the variation in the previous step
6. Complete data for each variation such as SKU and price
7. Finally, make sure to press Publish to save product data