@happyyear, Please find the below steps for your scenario.
1. Current: Triggering point of the flow is manual (Instant flow) ; Suggestion: you can use Automated Flow with the trigger "Record updated", Trigger Condition: Archive eq True.
2. Get File (Properties only)
3. Move File (to /0606 Library 2)

4. If you wish to set the File metadata now you use the newly created item ID from previous step and use it.