purchase, have questions or need to register our support for aftersale
technical services, please contact:
technicians carefully tested due to software errors, please also include
the following information:
▶ 1. your system
configuration information, such as: CPU processor, RAM memory, OS
operating system, Excel version, and other information.
▶ 2. when errors
occur, specific descriptions. If screenshot user, please send us
▶ 3. what could be
causing this error how the error occurred, results in an error.