I figured I'd start a thread for Windows 10 upgrades to get feedback from the community as well as help others troubleshoot issues. For starters, I'd tell everyone to look at the Windows subreddit for common solutions: https://www.reddit.com/r/windows
Applications with known compatibility issues with Windows 10:
Known environment changes that can complicate Windows 10 upgrade:
- Registry edits, specifically ones that make it such that the default program files and user files are located on another hard drive.