How much is $1 in Steam points?
Use your points to customize your Steam presence or award fellow members of the community. In order to make it more difficult for these malicious users to spam, scam, and phish other users, we restrict access to certain community features until an account has spent at least $5. USD in Steam.
How much is Steam free?
Steam itself is a free program. You register an account. Free to play games are available to download for free and can be played without a subscription or a credit card.