Take a deep breath ... yes ... you do NEED to update ... the licensing transfer makes it necessary and yes your program will stop working if you don't. Don't panic.

1. when running the Poser exe. you can select to keep your previous settings and direct to a designated "content" folder ... I suggest you save your 11.1 content folder a different name so you can add it to your runtimes if you like. Or keep as a backup.
2. You need the Support exe. as well.

I hope these small adjustments help. Please let us know. We'll get you through this.

Boni

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"Be Hero to Yourself" -- Peter Tork