Classic Shell - Classic Shell replaces the tile start menu found in Windows 10 with the old style start menu found in Windows 7 and Windows XP. This is free software and is frequently updated.
IP Chicken - IP Chicken is a website that will display you your current external IP address. Knowing your IP address can be help when troubleshooting networking issues.
7Zip - 7Zip is file compression software that suppots many common file types such as .zip and .rar file extensions. This is free software and frequently updated.
Windows Directory Statistics - WinDirStat is a disk usage statistics viewer and cleanup tool for Windows. Basicly, this will scan your whole PC and see what files are taking up the most space and display them in a chart. This software is also free. Very handy when low on disk space.
ProduKey - ProduKey is a small utility that displays the ProductID and the CD-Key of Microsoft Office, Windows OS, Exchange Server, and SQL Server installed on your computer. This is free software.
CurrPorts - CurrPorts is network monitoring software that displays the list of all currently opened TCP/IP and UDP ports on your local computer. This is free software.
Autoruns - Autoruns monitors and displays programs that start up in the backgound of Windows. This is free software.
Bulk Rename Utility - Bulk Rename Utility does just exactly what the name suggests. This is useful for renaming large amounts of files such as pictures or music. An example of a rename would be IMG_7182.jpg to Hawaii_1_2017.jpg. This is free software.
ESET online AV scanner - This is a free antivirus software that does an excellent job at detecting viruses/malware and removing them.
HP Network Discovery - The HPE Network Discovery Tool scans the local network and lists visible devices in the IP range specified.
Windows Live Essentials - Windows Live Essentials first released with Windows XP included many useful applications. These applications included: Movie Maker, Photo Gallery, Mail, Writer and Windows Messenger that is no longer in service.
MiniToolBox - MiniToolBox will detect problems associated with your internet connection because of damaged LSP, proxy settings, as well as issues with the network card. This can also be used to detect diversions or router hijacks commonly seen in virus/malware.
How to boot into SafeMode - This video will show you in 3 different ways how to boot your Windows 10 machine in to safe mode.
Fix Windows 10 Startup issues - Windows 10 may not boot correctly after windows updates or for any random reason. This video may help you get back on track step by step.