In order to qualify under this Visa category, you need to legally enter Portugal and register yourself with its Tax System post which you will be eligible to setup a local Bank Account allowing you legally to apply for Jobs.
There is no requirement for a Language test or a minimum education.
Access to Social Security and the Education system for your children. Residency is granted for 2 yrs initially with an extension for 3 years leading to Permanent Residence in the 5th Year.
Family members can be sponsored upon Residence.