reinstallation of pvm file from back up hard drive

i have to reformat my mac so have saved my win 7 pvm file on a separate hard drive. so to reinstall after reformat and reinstall OS, can i get some instructions before i pull this plug please.

 

Hello Robinc1,
To restore your Virtual Machine from Time Machine backup you need to restore complete .pvm to get the virtual Machine again,
1. Usually Virtual Machine will be in /User/Documents/Parallels or /Users/Shared/Parallels/
2. Please browse time machine back up to the correct location, restore .pvm file to /User/Documents/Parallels
3. Double click on the file once restored completely to start the Virtual Machine.