If you're a casual user, stick with the free version. But if your job involves "plug and pray" across different sites, buy Pro Portable—it will save you hours of frustration.
One point deducted for the admin rights requirement (unavoidable) and dated UI. netsetman pro portable
NetSetMan is the only one combining portability, unlimited profiles, and scripting. NetSetMan Pro Portable is an indispensable tool for anyone who manages Windows machines across diverse networks. The portable nature means you carry your entire network configuration library in your pocket, and the Pro features (unlimited profiles, scripting, MAC spoofing) justify the $39 price after just a few weeks of professional use. If you're a casual user, stick with the free version