Adobe Photoshop CS3 (Creative Suite 3) was released in 2007. For many designers, this is the "golden era" of Photoshop. It introduced a unified interface, significant speed improvements, and the now-standard Quick Selection tool. Unlike today's bloated 4GB+ installations, CS3 was lean.
If you decide to ignore the warnings and search for the file, here is a checklist: adobe photoshop cs3 full version highly compressed
When users search for a "highly compressed" version of Photoshop CS3, they are usually looking for a modified installer that has been stripped of non-essential files—such as help manuals, sample images, and language packs—to reduce the file size from several hundred megabytes to as little as 30–50 MB. These versions are often designed to be "portable," meaning they can run from a USB drive without a standard installation process. Adobe Photoshop CS3 (Creative Suite 3) was released in 2007
When you download a highly compressed Adobe Photoshop CS3 file, you are essentially getting the full software experience in a smaller "package." Once extracted, the software expands to its full size, usually around 500MB to 1GB. System Requirements Unlike today's bloated 4GB+ installations, CS3 was lean