Rainmeter
Enhance your Windows computer at home or work with skins; handy, compact applets that float freely on your desktop.
Rainmeter is the best known and most popular desktop customization program for Windows. Rainmeter skins provide you with useful information at a glance. It's easy to keep an eye on your system resources, like memory and battery power, or your online data streams, including email, RSS feeds, and weather forecasts.
Excellent free alternative to Windows, also very suitable as modern operating system on older PCs (DVD iso).
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).
WinRAR is a powerful archive manager that is compatible with many compression formats. It is commercial software, but you can use it for free.
Provides ongoing improvements to the Windows Operating System (OS), includes previous updates delivered over Windows Update as well as continuing incremental updates to the Windows 7 platform (DVD iso)
If you need to create bootable USB installation media from ISOs like Windows or Linux, Rufus can create these in a very easy way. Just select the ISO file and simply point to the USB drive, that's it!
Windows 11 UX Pack transforms your Windows system 10 into Windows 11 with themes, wallpapers, and sound effects.
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).