Procomm Plus Windows 11 Site
Procomm often defaults to only showing COM1 through COM4, while modern USB-to-Serial adapters may be assigned higher numbers. How to Install Procomm Plus on Windows 11
Create a new, dedicated folder at the root level, like C:\ProcommPlus .
Procomm Plus on Windows 11: Compatibility, Installation, and Modern Alternatives procomm plus windows 11
Check and select Windows XP (Service Pack 3) or Windows 98/Me . Check "Run this program as an administrator" . 3. Adjusting Data Paths
After installation, locate the main executable (usually PW4.EXE for version 4.x): Right-click the file and select . Go to the Compatibility tab. Procomm often defaults to only showing COM1 through
Windows 11's "Program Files" directory has strict write permissions that prevent Procomm from saving configuration and script files.
Copy the contents of your installation media to a temporary folder, such as C:\ProcommInstallCD . Check "Run this program as an administrator"
To prevent errors when saving captures or running scripts, change the internal file paths: Open Procomm and go to > Data Options > Paths .