If you see a grey box with no pins, the library installation has failed (likely missing index file).
Yes, a proper IR2110 model will simulate the bootstrap charging and floating high side. Use transient analysis with a long duration (50ms+) to see the bootstrap cap charge. ir2110 library for proteus 8
The IR2110 is widely used in simulation for its robust capabilities: Operates with a gate drive supply from 10V10 cap V 20V20 cap V If you see a grey box with no
Restart Proteus 8.