TSLOPE Free Trial Start Your Free Trial Add the trial to your cart and complete checkout (free of charge). You will receive a licence code by email to activate TSLOPE and start analysing immediately. TSLOPE Trial 14 day evaluation licence. No credit card. Start Free Trial What happens next? Download the installer from our Downloads page. Use your trial licence code from the checkout email to activate TSLOPE. Analyse unlimited slope stability problems during your trial period. Need help? Contact support@tagasoft.com.