Opera is a web browser from Microsoft. It was developed in the late 1990s, and it originally cost $60 to download. The company behind this software turned out to be very profitable when they released their first version of Windows 95 back in 1995. Because they were so successful with that release, they were able to buy Netscape for almost all its worth just by making a few million dollars on their first use of stock options that came with the purchase of the company