Apple aficionados lined up in the rain to get their hands on the new OSX Leopard on its release to retail stores in Tokyo on Oct. 26.

Leopard took a sizable bite of the Japanese retail operating system market during October and accounted for over half of all sales of packaged operating system software despite being on sale for only the last six days of the month.

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OS X Leopard, which is the first major update to the Apple operating system in more than two years, took a 53.9 percent share of the market, according to figures from Japan’s BCN. The company takes point-of-sales system data from 2,200 retailers across the country and uses that to estimate nationwide sales.

The single-user license version, which costs