I comment on a method to download here.
（The commentary is an example of Windows7.Other Windows is about the same, too.）

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１．Display the download page of the product.

http://create-alpha.com/world/uk/

２．Click the right button of the download and click a save Target.

３．A screen to store opens. Click a desktop. Click a save afterwards.

４．Download begins.

５．The installer of the product is downloaded to a desktop.

speedwaveotamesi.msi