The security update applies only to the following Windows versions, none of which are current versions:I'm not sure if you know but Microsoft is updating secure bootloader end of july.
Read the link and you will understand the purpose and scope of the update. Several CVE's have been uncovered and the update patches the vulnerabilities.I'm not sure if this is normal proceder or if they are cracking down on what they think is "unsecure" OS.
You don't need to do anything if you are running a reasonably current version of Windows. Check Settings > System > About > Windows Information to see what Windows version you are running. If the version you are running (probably 25H2 if you update regularly) is not listed, the update does not apply to you.Anyway, how can i prepare myself from this update? i have been reading on website about this but i'm not that technical to understand it.
There are people who just plain refuse to give up their EOL Windows 7 and Windows 10 and continue to use an unsupported OS.Updates to 8.1 and 10. Both are EOL and have been.
There must be enough stragglers for MSFT to feel that they need to ship a patch to people using those versions of Windows.