This site is fully working and has good reviews over the internet.
Although this is one of the many sites available on the internet that gives free premium accounts, this is my favorite.
You can have at most free accounts every five minutes by simply following the instructions and rules under Terms of Service of the site. It also has an active community that always keeps us updated for any future developments.
I highly recommended that you might try this with the following reason, hassle-free instruction, fewer ads, active community, legit accounts and fully working as of the time of writing.