A "full crack" refers to a pirated version of the software that bypasses licensing and activation requirements. While I understand that some individuals may seek to use software without purchasing a legitimate license, I must highlight the risks and concerns associated with software piracy:

: This likely refers to the version number of the software. In software development, version numbers are used to track updates, fixes, and new features. The .20 increment suggests it might be a minor update or a specific build within the 4th major version.

: Includes the "Pulso Eleventa" app to check sales and stock from your mobile phone.

: Designed to run on a "Main Register" (Server) that shares a database with "Additional Registers" over a local network. Risks of Using a "Full Crack"