You can download setup file by clicking on the link of the appropriated platform. This file is a 'cab' file and must be copied to your device to be installed.
Minesweeper runs on Windows Mobile 5 and 6, Smartphone and Pocket PC. If you don't know which system you are running, you can click here. Usually, if your device has a touchscreen, it is a Pocket PC. If you don't know at all the system you are running, you can choose 'Any Windows Mobile' version which works on all the devices.
This evaluation version is limited. If you want to upgrade to full version, purchase the game and install the new 'cab file'. The limited version will be replaced by the full version on your device.