Upgrading to ExtendSim 10

Upgrading to ExtendSim 10

1 - Which package do I upgrade to if I'm using ExtendSim AT 9?

2 - Can I copy objects directly from ExtendSim 9 into ExtendSim 10?

3 - ExtendSim 10 model compatibility with previous versions.

4 - Keeping ExtendSim 9 Network license when upgrading to 10 Floating license.

5 - Legacy libraries.

6 - Converting custom blocks from ExtendSim 9 to 10.