A California judge on Friday gave preliminary approval to a landmark settlement under which Microsoft will pay $1.1 billion to settle a class-action suit that claimed it overcharged consumers for Windows.

The ruling by San Francisco Superior Court Judge Paul Alvarado allows the settlement to proceed to the next step, during which consumers and corporations in the state will be notified that they may qualify for vouchers ranging in value from $5 to $29. The vouchers can be used to buy most hardware or software products from any manufacturer.

Read more: CNet News.