openssl req -new -newkey rsa:2048 -nodes -keyout private.key -out request.csr Use code with caution. Convert PEM to PFX (for IIS)
Three primary methods exist, each with distinct trade-offs. openssl on windows
Use Chocolatey ( choco install openssl ) or the Shining Light Productions installer (lightweight, well-maintained). openssl req -new -newkey rsa:2048 -nodes -keyout private
Use this when you need to buy an SSL certificate for a website. openssl on windows
If you are saving keys to C:\ , ensure you are running PowerShell or Command Prompt as an Administrator . Conclusion