Now I've got it.
1. create a portable install just for realive
2. droped the file in the main window of reaper
3. import/ extract the the files
After reastart reaper (with realive config) and setup my audio device ( RME Babyface with 8 i+o channels) i got this message:
Reascript Error
___Realive_MainAPI.lua:2766: attempt to call a nil value (field 'JS_Window_FindChildByID')
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