Need help to create an installer
I'm the developer of Lupo PenSuite, I have started to use NSIS to create the Extraction Wizard of my collection. Now I would like to improve it, in particular I'd like to implement an Update feature in the installer. I thought to this structure:
- Welcome page
- License page
- Choose modality page (that allow to choose if do a New install or Update an existent one)
New mode:
- Directory page
- Install page
- Finish page
Update mode:
- Directory page (that allow to select also the old directory)
- Install update page
- Finish page
Now, I have tried to do something, but I can't understand how to create and manage customized pages. Can someone help me? Thanks! :D