Of those, 179 were dismissed and the last 10 were deemed ideas that were simply non-copyrightable.ġ0 years after the launch of the initial version of Windows and it was time for a serious facelift.

Over the same period, Microsoft had been added more and more Mac OS-style features to their OS until the former employer sued the company under 189 charges relating to the Apple 'look and feel' of Windows. By the time 3.11 came out Microsoft had made sure they'd seen off the threat from IBM and Windows had gone 32-bit. It contained the same bug fixes and multimedia support. Windows 3.0 sold 2 million copies in its first six months rising to 10 million over the next 18.ģ.1 was released in reaction to IBM's OS/2 2.0 operating system software that had initially been a joint venture with Microsoft.

The system was also flexible at the same time, meaning that if you would rather offer applications the protection of running in one block them you could automatically assign specific space for that too.

It meant Windows could successfully run more programs at once. Virtual memory was able to trick applications into thinking that they were using large blocks of address space when it was actually fragmented and often spilled into the storage disk rather than just using the RAM.

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