11-11-2008 06:24 AM
First, make sure it fits the requirements. Especially if it has a later version of Hotsync Manager, you might need to install an earlier build:
Palm OS Minimum Device Requirements:
Then install the link as per this ACT! Knowledge Base article - http://tinyurl.com/6dfvzw
You might also make sure you have 10.02 or 10.03 patch for ACT!