 Okay, the last part you can also, if you decided that this pin or the microcontour has 2 is short of the pins, you want to extend the memory or the pins, how to change the microcontour. This can be done on the same revision. In here I can create the new project, I will select the microcontour with bigger memory, for example or the bigger pinout, I use the same memory, but bigger pinout, I will create new one. And now if we have completely new project with the microcontour which we want, we can here the import project, here I can select my setting 6 into my project, he telling me what he found, if there are some problems, okay. You can select also the manual import, then you can select which payfares you want to import or not, but I here to have this like this, you can set only try to import and he will show you the result, what will be the pinout, I will click to okay, and you can see he import the same configuration as I have, he selects the clocks on the same I think, then this is the way how to switch the microcontour. This option can be used only on the microcontour in the same line, this mean the same series and the same line, then for me it will be working for the F401 for the different packages and also different sizes in the memory, but be careful in case you migrating from the bigger package to the smaller, it's possible that not all the functionalities will be possible to import.