After installing Modelio, start the modeler and create a simple UML model.
Go to the MDA menu and choose Install a module… as shown in Figure 2.
You will now be in the mdastore folder. Proceed to the location of the SysML Architect module (see Figure 3).
Choose SysMLArchitect_x.yy.zz.jmdac and click on the Open button.
SysMLArchitect_x.yy.zz.jmdac contains SysML UML2 Profile. It is compatible with Modelio.