To enable or disable startup programs in Windows, follow these steps:

1. Open the Task Manager by right-clicking on the taskbar and selecting “Task Manager” or by pressing the Ctrl + Shift + Esc keys.
2. Click on the “Startup” tab.
3. You will see a list of programs that start up automatically when you log in to Windows. Find the program that you want to enable or disable.
4. To enable a program, click on it to select it, and then click on the “Enable” button at the bottom of the Task Manager window.
5. To disable a program, click on it to select it, and then click on the “Disable” button at the bottom of the Task Manager window.
6. Repeat steps 4-5 for any additional programs you want to enable or disable.

Alternatively, you can also enable or disable startup programs using the System Configuration tool:

1. Press the Windows key + R to open the Run dialog box.
2. Type “msconfig” and press Enter.
3. Click on the “Startup” tab.
4. You will see a list of programs that start up automatically when you log in to Windows. Find the program that you want to enable or disable.
5. To enable a program, check the box next to it.
6. To disable a program, uncheck the box next to it.
7. Repeat steps 5-6 for any additional programs you want to enable or disable.
8. Click on “Apply” and then “OK”.
9. Restart your computer for the changes to take effect.

That’s it! You have now enabled or disabled startup programs in Windows. Keep in mind that disabling certain programs may cause some features or functionality to not work properly.