To search your whole PC in Windows 11:
- Open File Explorer.
- In the left pane, select This PC.
- Use the Search This PC box in the upper-right corner.
- Enter the file name, app name, or a keyword.
For a slower but more thorough file search, searching from This PC is the recommended path instead of Home.
If the goal is to improve search speed and coverage:
- Open Settings.
- Go to Privacy & security > Search.
- Under Find my files, choose:
- Classic to index common folders such as Documents, Pictures, Music, and Desktop.
- Enhanced to index the entire PC.
If files are stored outside the default indexed locations, Enhanced or Customize search locations can help include them.
If search is not finding expected files, the Search and Indexing troubleshooter is available:
- Open Settings > Privacy & security > Search.
- Under Related settings, select Advanced indexing options.
- Select Advanced.
- Select Troubleshoot search and indexing.
For text inside files, File Explorer search from This PC can be used, and one accepted Microsoft Q&A answer notes that Indexing Options > Advanced > File Types can be set to Index properties and file contents.
The context does not provide support for searching the Windows Registry as part of a full-PC search, and it does not state whether File Explorer search results remain displayed unchanged after leaving the PC for hours.
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