Power BI Desktop Automation

Hey Guys, 

Good Evening 

I dont understand this. Pls help it if you understand and gives how to do this?

problem:

I have Ecommerce Table data . They have "Order-id", "Item description" , 'SKU" , "Amount" Columns etc.

I created another column "Type of product".

SKU Column written in productname and their code so that in basis of I have written "type of product" column in "product" name.

I know how we can write we have different products code and names If have done once for just one month data. 

So I want to know how I create this automated so if I use another months of so that dont need we use long process power Bi do for me .

which power bi apps are required?

if you know any video tutorial?

pls help