Windows

You shouldn’t use Windows.
It’s non-free (as in freedom), bloated spyware made to make computers as miserable as possible only used by corporate-slave boomers who delusionally believe it’s good because some debt-based billionaire lied saying so once.
However, if you are forced to use it for whatever reason, or know someone who dogishly refuses to install & use Linux, this short list of programs may prove useful.
First, remove Microsoft spyware & other pre-installed jokes of programs with Windows 10 Debloater.
- 7zip – Archiver
- Notepad++ – Text Editor
- JPEGView – Image Viewer
- mpv – Media Player
- MuPDF – Document Viewer
- GIMP – Media Editor
- CCleaner (!) – System Cleaner
- BleachBit – System Cleaner
(!) Non-free, proprietary.
iPhone/iPad
You shouldn’t use an iPhone or iPad.
However, if you are forced to use it for whatever reason, or know someone who is, this very short list of apps may prove useful.
- N/A – Image Viewer
- Outplayer – Media Player
- N/A – Document Viewer
- Orbot – VPN/Proxy
- Firefox Focus – Web Browser
Outplayer is based on mpv, since there is no direct port of it.