All upgrades to Activ E-Book Compiler are FREE to registered users. To install the latest 4.22 version you will need a new Registration Key, but we will send you this Key absolutely FREE. Please follow this procedure to get upgrade to the latest 4.22 of Activ E-Book Compiler:

1. Do not uninstall the old version of Activ E-Book Compiler until the upgrade to the latest version is complete. This way you can continue creating E-Books with the old version until you've completed the upgrade.

2. Go to the download page, and download the current 4.22 version.

3. When you start the 4.22 version it will say you are using an unregistered copy (the 2.02 version will continue to work as normal).

4. Start the 4.22 version of Activ E-Book Compiler, click Register on the Options menu. There is a 5 digit number labelled "Your User ID". Write this number down, then press Cancel. Please then e-mail webmaster@ebookcompiler.com with this number, your full name, and the date of purchase. We will reply with the new Registration Key to use for 4.22. You may continue using version 2.02 while awaiting our reply.

5. When you receive our e-mail reply, start the 4.22 version of Activ E-Book Compiler, click Register on the Options menu. Enter your new Registration Key and click OK.

6. You may now (optional) uninstall version 2.02 if you want:
i. Start the Windows Control Panel.
ii. Double click the Add/Remove Programs icon.
iii. Select Activ E-Book Compiler 2.02 in the list.
iv. Click the Add/Remove button (to uninstall version 2.02).

1. Start the Windows Control Panel.
2. Double click the Add/Remove Programs icon.
3. Select Activ E-Book Compiler 2.02 in the list.
4. Click the Add/Remove button (to uninstall version 2.02).
5. Go to the download page, and download the current 4.22 version.