NetSetMan 5.4 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The latest version of NetSetMan can be installed on PCs running Windows XP/XP Professional/Vista/7/8/10/11, 32-bit.
This free tool was originally created by NetSetMan GmbH / Ilja Herlein. The most popular versions among the program users are 4.7, 4.6 and 4.5. NetSetMan.exe or nsmservice.exe are the frequent file names to indicate this program's installer. The software is included in Internet & Network Tools. We recommend checking the downloaded files with any free antivirus.
From the developer:
NetSetMan lets you switch between network profiles with a single click. You can define any number of network settings for office, home, school, public WiFi, etc. You can customize the DNS settings, proxy servers, LAN profile, MAC address, computer name, 'hosts' file, default printer, IP address, and network drives.
You may want to check out more software, such as NetSetMan Pro, which might be similar to NetSetMan.