Once Publisher disappears...help please.

The first part checks if it is installed:
1. Open the Windows Start Menu
2. Search for “Publisher”
3. If you find it → Right-click and fix it to the start menu/taskbar
4. If you can't find it → continue to the next step
Part II Reinstalling Publisher
1. Install through Office:
2. Open Control Panel > Programs and Features
3. Locate Microsoft 365 or Office and click “Change”.
4. Select “Add or Remove Features”.
5. Check Publisher and complete the installation.
Part 3 Check if the subscription includes Publisher
1. Subscriptions that include Publisher:
2.Microsoft 365 Business Edition
3.Office Professional Plus
4. Subscriptions without Publisher:
Microsoft 365 Home/Personal
Part IV Quick Fixes for Office
1. Open Settings > Apps > Apps & Features
2. Find Microsoft Office and click “Repair”. 
Part 5 Other things to try
1. Update Windows: Make sure your system is up to date.
2. Restart your computer: simple but may work
3If you still can't find Publisher, your version of Office may not contain the program, we recommend contacting your IT administrator or upgrading your subscription.
You can try the above five methods if you can not solve the problem, please contact IT!