for Acrobat X Pro:
Since Adobe has officially ended support for Acrobat X, finding the installer requires looking through authorized archives or your original purchase account.
Restart Your Computer: To ensure all registry entries and system drivers are properly initialized, restart your device. Important Note on Security and Support
If you are handling highly sensitive data, consider upgrading to a newer version like Acrobat Pro DC or a modern alternative that receives active security patches. To help you get set up, could you tell me: Are you installing this on ? Do you already have your serial number ready?