The most interesting feature of macOS Catalina is believed to be Sidecar? This feature makes iPad your second screen, expanding the available desktop space. However, in fact, the Sidecar feature is not available for all Macs. Basically, it needs a better and newer computer. For some older Mac users, there is now a way to break the blockade!
Free sidecar unlock restrictions
Some developers have released a set of tools called Free Sidecar that can lift the restrictions of old Mac / iPad. However, you must also use macOS Catalina and iPadOS after lifting.
Breaking the ban principle
In fact, some developers have noticed that the limitation of the Sidecar function comes from a Black List file, located in
The role of Free Sidecar is to modify the file to lift these restrictions.