To use these screensavers,
- download by right clicking the link, and choosing 'save target as'
- copy the screensaver from where it was downloaded and paste it into the 'system32' directory in Windows
- return to the desktop, right click and go down to 'properties'
- choose 'screensavers'
- select the screensaver from the drop down menu
- choose 'apply' and then 'OK'