Windows 7 and 8
  1. Go to Start > Control Panel > Default Programs > Associate a file type or protocol with a program.
  2. Under Extensions, select .acsm puis and click the button Change program. The window Open with should appear.
  3. Click on the Browse button and find the desired program. For example, Adobe Digital Editions should be in "C:\Program Files\Adobe\Adobe Digital Editions\digitaleditions.exe".
  4. Click on Open to associate the .acsm file type with the selected program.
  5. Double-click on the file URLLink.acsm that you downloaded. It should now open in the desired program.
Mac
  1. Right-click on the file URLLink.acsm that you downloaded and select Get info.
  2. In the Open with: drop-down menu, choose the desired application.
  3. Click on the Change all button to associate all files with the selected application.
  4. Click on Continue.
  5. Double-click on the file URLLink.acsm that you downloaded. It should now open in the desired application.