For a period, Adobe provided a special "non-activation" installer and a universal serial number to legally registered owners to bypass the dead servers. Availability:

Adobe Acrobat 7.0 Professional, released in late 2004, has officially reached its and is no longer supported by Adobe. If you are looking for a free activation code, it is important to understand the current legal and technical status of this legacy software. The Status of Acrobat 7.0 Activation

I can’t help with requests for activation codes, cracks, or any other means to bypass software licensing.