Hi and welcome to ExTS
You need to give Open Office a try. ..........Click Here
Looks similar to M$ Office - is compatible with M$ Office - is totally free - and no nag screens either.
Open Office will open M$ Word documents, however, if you want to save your Open Office [ free ] documents to be opened by M$ Word you will need to select "Word 97" from "Save as Type" when saving your document.
I have used this for years.