In order to block a lot of unwanted content, such as tracking and malvertising, I usually install uBlock Origin.
This extension is a 'wide-spectrum blocker' which has proven to be very versatile and effective.
For managing all passwords, secure notes, and to maintain a good attitude of 'password hygiene', I use Bitwarden.
Bitwarden is available as both a paid and free plan. The paid plan offers a few welcome extras.
For easy but comprehensive file management, Total Commander can be considered a 'Swiss knife' of file management.
It also offers 'side by side' comparison of two files, a feature which I use a lot for creating the different scripts of UltimateKEYS.
As comprehensive image viewers, Irfanview (and XnView) can be considered the 'Swiss knives' of image viewers, supporting a wide range of formats.
Overall, IrfanView feels somewhat a bit snappier, although only XnView MP has support for AVIF at this time...
In the past, I used different antivirus products on Windows, but since 2017, I removed all third-party products. Now I rely entirely on Windows 10's built-in security (Windows Defender, default in Windows 10/8.1).
This is also the counsel from a former Firefox developer, not to install any third-party security software on Windows 10.
Windows 10 (and 8.1) then automatically activates its built-in 'Windows Defender'. This antivirus is very stable and also turns out to be the most reliable integration concerning updates (and upgrades) for Windows itself.
See also the following articles :
Bleeping Computer - Former Mozilla Engineer: Disable Your Antivirus Software, Except Microsoft's
The Register - Former Mozilla dev joins chorus roasting antivirus, says 'It's poison!'
Neowin - Ex-Mozilla Engineer: Don't use third-party antivirus software
PC Gamer - Recent antivirus testing found Windows Defender to be a top performer
ZDNet - Ex top Mozilla dev to Windows users: Ditch all antivirus except Microsoft's Defender
Digital Trends - Delete your antivirus, says ex-Firefox developer - who claims it's worthless
MSPoweruser - Latest AV-Test report ranks Windows Defender as the top Antivirus solution for consumers
Tweakers - Voormalig Firefox-ontwikkelaar: verwijder je antivirussoftware (in Dutch)
This work is licensed under a Creative Commons Attribution 4.0 International License.
UltimateKEYS is Free Software, licensed as GNU General Public License Version 3.
The documentation of UltimateKEYS is licensed as GNU Free Documentation License Version 1.3.