Official 32-bit support ended with the transition to BandLab, but legacy versions of (the predecessor to Cakewalk by BandLab) are still accessible through several official and third-party channels:
If you previously purchased SONAR (versions X3, Platinum, Professional, or Artist), you can download the 32-bit installers by logging into the Cakewalk Command Center .
For those without original accounts, sites like SoftFamous and FileHippo host older SONAR installers, though users must ensure they have their original serial numbers for activation. 2. System Requirements for 32-Bit Versions