What office suites are you considering? I'm only aware of Libre and Microsoft Office.
Edwin, what else do you use for tweaking?
LibreOffice is an excellent free option to MSOffice.
simrick, Winaero Tweaker should be experimented with, with care and caution! Thanks @simrick.
Apache OpenOffice - Official Site - The Free and Open Productivity Suite
I'm interested! Are you willing to share?
Here's a few things to check out, for starters. Don't plunge headlong into all of it, study the stuff first.
Master Tutorial to Make Windows 10 Super Fast - AskVG
TweakGuides.com - Firefox Tweak Guide
20 Amazing Windows 7 Performance Boosting Tips - YouTube
(most of it applies to Windows 10 as well)
Thank you - and I'll heed your advice about studying it first. I know my limits!