Stop OP website in IIS
Rename old C:\Program Files (x86)\General Devices\CAREpoint 3 Operator Position folder
Unzip new one and copy to C:\Program Files (x86)\General Devices and name it CAREpoint 3 Operator Position
Restart website in IIS
Open browser and go to https://cp3-op.[domainname]]/assets/config.json
Refresh page
Goto https://cp3-op.[domainname]] and confirm new versions shows in tab title up top and you can sign in