How to Update Secure Boot Certificates Before the June 2026 Microsoft Deadline
·736 words·4 mins
What you’ll need # Windows 10 (build 19041+) or Windows 11 (any build) UEFI firmware with Secure Boot enabled Administrator account access Basic understanding of PowerShell and Windows Update 500 MB free disk space for certificate updates Active internet connection for Windows Update Overview # Microsoft is deprecating older Secure Boot certificates in June 2026, requiring all Windows users to update their boot security certificates. This guide walks you through checking your current certificate status and installing the updated certificates to maintain system security and avoid boot failures.