I use all of these on my PC so give them a try, they are free what do you you have to lose?

For Everybody

Browser - Opera - https://www.opera.com
Text editor - Notepad++ - https://notepad-plus-plus.org
Media player - VLC - https://www.videolan.org
Music Player - foobar2000 - https://www.foobar2000.org
Image Viewer - Irfan Viewer - https://www.irfanview.com
File compression - 7Zip - https://www.7-zip.org
PDF editor - PDFgear - https://www.pdfgear.com
Ebooks - Calibre - https://calibre-ebook.com
Disk Usage - TreeMap - https://www.jam-software.com
Android apps - BlueStacks - https://www.bluestacks.com

For the slightly more tech savvy

USB Drive - Rufus - https://rufus.ie/en/
Torrents - Deluge - https://deluge-torrent.org
FTP - FileZilla - https://filezilla-project.org
Media Manager - Media Companion - https://sourceforge.net/projects/mediacompanion/
MP3 tags - MP3TAG - https://www.mp3tag.de/en/
Video formats - Handbrake - https://handbrake.fr
Windows stuff - Power Toys - https://learn.microsoft.com/en-us/windows/powertoys/

This should cover most of your basic needs, for advanced needs you don't need a list of free shit from me you know what you need already.