HwLevel IPS-PI40 4.0"
Meanwhile a multitude of TFT displays exist for the Raspberry Pi. This was possible due to the "Linux Framebuffer-Driver for little TFT-display-moduls" by notro. Former it must be installed into the Kernel itself. Today it is integrated into the Kernel or it exists a ready Raspian Wheezy or Jessi IMAGE by the display manufacturers.
A good guide can be found on the Raspberry Pi website: Installing Operating System Images
In short: Download + Unzip + Check with "df -h or fdisk -l" which DEVICE name the Micro SD card has and write it:
dd if=2018-03-13-raspbian-stretch.img of=/dev/sdX 1.73GiB 0:06:28 [4.55MiB/s] [========================================================>] 100% 3622248+0 records in 3622248+0 records out 1854590976 bytes (1.9 GB, 1.7 GiB) copied, 543.869 s, 3.4 MB/s