I use a lot of powerful windows tools to manage my system. This might me help you as well. Let me tell you the killer features from my point of view.
Notepad++
- Powerful editor of files
- handles codec of files very well
- search and replace in multiple files
- Website: https://notepad-plus-plus.org/downloads/
WinMerge
- best tool to compare and combine files
- Website: https://winmerge.org/?lang=de
Total Commander
- the best file manager
- compare directories
- bookmark directory links
- usable via keyboard
- Website: https://www.ghisler.com/deutsch.htm
AOMEI Backupper Standard
- Backup partitions and disks
- Clone HDDs via USB-Bookstick (PXE Boot)
- Website: https://www.aomei.de/
GEEK Uninstall
- Uninstall unwanted Software
- works even if the Uninstaller of the program does not
- Website: https://geekuninstaller.com/de/download
TreeSize Free
- Powerful Tool to see which file consumes which diskspace very easy
- Runs without installation
- Website: https://www.jam-software.de/treesize_free/
KeePass
- Password Safe
- Generate new secure passwords
- Integration in Chrome
- Website: https://keepass.info/
FreePDF XP
- Not supported any more but I like it
- Create PDF files
- Autonaming of the files (useful for PFPX OFPs)
- Website: https://freepdfxp.de/index_de.html