Upgrade from Windows 8 to Windows 8.1 Thursday

I will be upgrading to Windows 8.1 on Thursday.  I have Windows 8 X64 presently installed, along with Start8, Decor8 and ModernMix.  Should I uninstall the 3 Stardock Programs before upgrading, then reinstall the 8.1 versions after upgrading?  Will this make it a simpler and smoother transition?   I don't want to have the whole System messed up and would appreciate any input about this.  Thanks.