Windows: Waterfox G-5.1.2 Older Versions For

Transparency is vital. Using any older browser version is a trade-off. Here is what you lose by staying on Waterfox G-5.1.2:

Assuming you have safely downloaded the installer, here is how to install it without creating conflicts with your current modern browser. Waterfox G-5.1.2 Older Versions for Windows

Around 2013, Intel introduced the AVX2 instruction set (Haswell architecture). AMD followed later. If you are running an older machine: Transparency is vital