Well guys, this is mystery install that's for sure!
I made a folder on my clean SSD drive (D) called MSFS2020...
Downloaded the files from the STORE (not steam) and pointed it to this folder... installation went smoothly with no issues and subsequently was able to play the sim for a good while
When trying to set up my NVIDIA control panel settings for it i went to the folder and the ONLY folders in the MSFS2020 folder are: Community and Official! There is NOTHING in the community folder and in the official folder there is another folder called One Store, inside that are multitudes of folders namely planes and scenery...NO exe anywhere!!
In the NVIDIA control panel and (GRD) it did have many MSFS exe's to choose from but im not sure which one to point too!
I hope that its installed it all to the right place and files aren't all over the show! Why does it have to be so darn hard to find a simple exe file!