Microsoft Root Certificate Authority 2011.cer |best| Download -

If you have access to a Windows machine with the certificate installed:

Some third-party repositories provide the file, but always verify the SHA-256 thumbprint: SHA-256: 8f43288ad272f3103b6fb1428485ea3014c0bcfe7d6b4e14b6042f414ed1aaf0 (Example – confirm against official Microsoft documentation before use.) Microsoft Root Certificate Authority 2011.cer Download

Run CMD as Administrator. Certutil is built into Windows. If you have access to a Windows machine

One common and trusted method to obtain Microsoft root certificates is through services like the Microsoft Trust Center or directly from the Certificate Trust List . Microsoft Root Certificate Authority 2011.cer Download

If you manage many machines, you can script the download using PowerShell. Run this as Administrator on an internet-connected machine: