@paytolones Mods often get corrupted when being transferred from one OS to the other. The workaround is to zip the Mods folder before transferring it, then unzip it when it's on the new computer.
You don't need to use OneDrive, and in fact doing so can cause more problems later on. Instead, upload your files to Google Drive, Dropbox, or some other free service; you can even access iCloud from a Windows PC. The problem with OneDrive is that it may try to automatically sync the contents of Documents and thereby remove your saves and other user content from your computer. So if you do want to stick with OneDrive, at the very least make absolutely sure it can't auto-sync anything:
