Better to Mining (Altcoins) since GPU rigs can't mine Bitcoins.

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@DRAHdk Both GPU were outdated for mining Ethash (for Ethereum and forks) nor "mainstream" Altcoins, though 1050Ti can mine a lot of "Shitcoins".
I suggest you to go to whattomine.com to find the most profitable (or rather: less wasteful  ) coin to mine using those GPUs.
Then go to the Mining (Altcoins) board and find the suitable miner for your OS and selected coin to mine.