Modern Photoshop requires a monthly payment. If you stop paying, the software stops working. Photoshop 7.0 uses a simple serial number. Once installed, it is yours forever. It does not phone home, does not require an Adobe ID, and does not upload your projects to the cloud.
: It preserves the "design DNA" of the millennium, ensuring that the tools used to create the culture of that time remain accessible. adobe photoshop 7.0 archive.org
A: Yes, but only basic pen pressure. Modern tablet drivers (Wacom, Huion, XP-Pen) often break pressure sensitivity in legacy apps. You may need to install older drivers. Modern Photoshop requires a monthly payment
Search on archive.org and look for uploads with high download counts and positive comments. One reliable entry is often listed under the "Adobe Photoshop 7.0 (CD-ROM Version)" or similar naming. Once installed, it is yours forever