Upgrade from V2 or V3.x
1. Before you install, backup your registration code and custom word dictionary first!
Registration code: Go to Start -> Settings -> Personal -> Input -> TouchPal -> Activate. Write down the 5 digit registration code.
Custom word dictionary: Go to installation folder "Program Files\TouchPal\Surfaces\" and copy the "xxx_user_dic" files (e.g., "eng_user_dic") to a safe place.
2. Unselect "Set as default" in TouchPal options. Reboot.
TouchPal options : Go to Start -> Settings -> Personal -> Input -> TouchPal.
3. Uninstall TouchPal and its language packs. Reboot. Then delete the "Program Files\TouchPal" folder in the file explorer .
4. Install TouchPal 4.0. ([optional] Install language packs.) Reboot.
5. [optional] Copy the old custom word dictionary "xxx_user_dic" to "Program Files\TouchPal\Surfaces\<language>" and rename the file to "user_dic". Reboot.
6. Re-activate TouchPal V4 with your original registration code. Go to Start -> Settings -> Personal -> Input -> TouchPal -> Activate. If you are a V2 registered user, please look at the following content to get your new V4 upgrade code. If you are a V3.x register user, your original registration code just works fine with V4.0.