Windows 7 onwards already has unzipping software. You may already have dedicated Winzip software, in which please use this, however we also recommend JZip, which is free to download here.
• Simply right-click the zip file and chose 'Extract All'.
• Click 'Browse' to choose where to save your map, then click 'Extract'.
• Locate the folder that you extracted your map to, and click to open.
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