Offline Activation is only required if you computer does not have internet access at all. Once a license is locked no internet connection is required anymore. So the most convenient way to use your licenses offline is to use online activation and then lock your license. If your machine really is completely offline, these are the steps to activate:
You need to repeat steps 1 to 3 each time you update the software.
For this very reason it's advisable to activate or lock your license to one of the supported USB devices. Your license will then simply continue to function on your new machine. You will also get a secondary license after you lock your primary one. If you've locked all your licenses to computer use the Contact Form and we will sort it out.