This pandemic has make some people to spend more time on the internet now than they use to before covid19.
One of the ways you can spend your time wisely especially if you are a student or someone that like learning new things is by keying into free online courses.
These are some of the platforms:

Allison

FutureLearn

Coursera

edx

At the end of the each course you will be given a "Certificate or "Certificate of Accomplishment"