NUNX technology guide
Windows and PC Help
Practical Windows troubleshooting for slow computers, storage problems and failed updates.
Practical starting points
Clear answers to common problems.
01Windows & PCsSpeed up a slow Windows PC
Identify heavy programs, reduce startup load and improve performance safely.
- Check CPU, memory and disk usage in Task Manager.
- Disable only nonessential high-impact startup programs.
- Keep free drive space and install trusted updates.
Open the complete guide →02Windows & PCsFree Windows storage safely
Recover disk space without deleting important system or personal files.
- Review categories in Settings → System → Storage.
- Inspect Downloads and Recycle Bin before deletion.
- Move large personal files only after confirming a backup.
Open the complete guide →03Windows & PCsFix Windows update problems
Resolve stuck downloads, failed installations and repeated update errors.
- Confirm power, internet access and adequate free storage.
- Restart and run the built-in Windows Update troubleshooter.
- Record the exact update number and error before advanced repair.
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