I think you are good to go. Just chose distro (pop os for me) and be amazed how everything works out of the box.
Lot of people recommend libre office and its great, but in my experience Only Office is super compatible with ms office and its perfect for me. You can try only office on windows and see is it working for you. I bet it does.
I have few apps for work that cant run on linux, but thats mostly professional engineering software (cad, cam, nesting and few more) and some of them can probably be used with wine or simmilar.
Even if you want to play games linux is not far from windows today.
Im not advanced user, fully switched to linux only 6 months ago. just my 2c