Your Windows PC's security foundation could expire in 8 weeks — Here's how to check if you're eligible for a new Secure Boot certificate

A sleek laptop with a scenic landscape on its screen sits on a castle window ledge. The view includes rolling hills, a winding river, and a distant town, conveying a sense of tranquility and history.

When Microsoft first implemented its Secure Boot feature on Windows PCs in 2011, the potential issues surrounding the expiry of associated certificates seemed like a far-off problem.

Well, the future is here 15 years later, and there are countless Secure Boot certificates set to expire in June 2026.