Attempting to Add a Jar File to my Bot

I was adding a Gradle jar file so my Gradle project runs but it does not work. I made it all work and run on my PC which I code it on and I tried to add the jar. I upload the jar and I follow the instructions to put it in my /gradle/wrapper/ folder but it kept with the same error:

To add this file, you’ll need to save it to your computer first
I did add this file and googled the instructions which failed. What do I do?

Unzip the file that you have on your computer, then add the bin folder to that path.