QB Issue Resolution:

Look under Edit > Preferences > Accounting > Company Preferences. You should see it.

Resolution for Issue 'What QuickBooks version is required in order to activate class tracking? I have QuickBooks Accountant 2013 and it is not an options under Edit->Preferences->Company Pref' available: Yes (Solved).
Source: Intuit Community forum.

What QuickBooks version is required in order to activate class tracking? I have QuickBooks Accountant 2013 and it is not an options under Edit->Preferences->Company Pref: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for 2013
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Error Recovery for 2013 [Canada]
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