I'm assuming you have Office on your home computer? I realize people learn in different ways so maybe books aren't the best option for you however I had a great outcome with them. Something like this might be a good option for you.
https://www.amazon.com/Office-Librar...%2C659&sr=8-14
I only studied Excel, Access and a little bit of powerpoint since these were most relevant to my objectives. I LOVED the Bible series. The great thing about having the books is you could use them as reference later.
There are also a lot of free online courses you can find with a quick google search. I took a few but they only covered the basics.