Excellent free alternative to Windows, also very suitable as modern operating system on older PCs (DVD iso).
Download the latest LTS version of Ubuntu, for desktop PCs and laptops. LTS stands for long-term support — which means five years, until April 2027, of free security and maintenance updates, guaranteed.
Ultimate Boot CD 5.3.9 assembles over 100 PC hardware diagnosis tools into one bootable CD to analyze and repair hard drives and to fix boot problems (CD iso).
Hiren’s BootCD PE contains many tools you can use for analyzing, recovering and fixing your computer, even if the primary operating system can not be booted (CD iso).
Windows Repair is a tool designed help fix a large majority of known Windows problems including registry errors, file permissions, issues with Internet Explorer, Windows Updates, Windows Firewall and more.
Windows 11 UX Pack transforms your Windows system 10 into Windows 11 with themes, wallpapers, and sound effects.
Service Pack 2 is the final update to Windows Vista that comes with many improvements, including better security and performance, and support for newer types of hardware.