Although MySQL Installer is a 32-bit application, it can install both 32-bit and 64-bit binaries.
Does MySQL have 64-bit version?
MySQL is available for Microsoft Windows, for both 32-bit and 64-bit versions. For supported Windows platform information, see https://www.mysql.com/support/supportedplatforms/database.html.
Is MySQL community only 32-bit?
MySQL Installer is 32-bit but will install both 32 bit and 64-bit binaries.
What version of MySQL am I running?
Windows users can employ PowerShell or the command prompt and Linux and MacOS have the Terminal. To check the version your MySQL is running, type and execute mysql -V (note the uppercase V) in the command line. As you can see, the MySQL version for this system is 10.4.