PCMTuner can be used on Win7 (need NET framework 4.8) and Win10. But some customers gave feedback that they failed to connect the server with Win7 system. If you have the same problem, don’t worry! Just download and install two plugins (Windows security update) from Microsoft site to fix Win7 system.
Disable the firewall and antivirus software
Be sure NET framework 4.8 is from Microsoft Site.
All Updates from Windows Update are installed.
And installing the Internet must be on if you don’t have edge update installed already.
Look to be on an open Internet, at some locations where to use wlanfree no downloads are allowed and some ports are blocked.
Security Update for Windows 7 Installation guide:
Supported Operating System:
Windows 7 Service Pack 1
1.To start the download, click the Download button and then do one of the following, or select another language from Change Language and then click Change.
2.Click Run to start the installation immediately.
3.Click Save to copy the download to your computer for installation at a later time.
After that, follow the PCMTuner software installation guide to install correctly.