What happens next?

How to vote on reddit on pc or mac
Go to https: // www.reddit.com in a web browser.
You can use any web browser on your computer to access reddit.
If you're not signed in to reddit, type your username and password into the blanks, then click login.
Navigate to the post on which you want to vote. You can use the search box near the top-right corner of the screen to find it by keyword.