Take the following piece of text and edit it to sound more formal
Hi! I am excited to announce the launch of our new photovoltaic window system.
Greetings, 

It is with great pleasure that we formally announce the launch of our innovative photovoltaic window system.
Complete the following task based on the instruction and optional input provided.### Instruction:
Take the following piece of text and edit it to sound more formal

### Input:
Hi! I am excited to announce the launch of our new photovoltaic window system.

### Output:
Greetings, 

It is with great pleasure that we formally announce the launch of our innovative photovoltaic window system.