For my windows 8 (64-bit) system, I want to install updated TeXstudio.
Here I found 2017 version 2.12.6. But there are several files in the folder, as follows:
Should I download all 7 files ? Or just the 3rd or 7th file would be sufficient?
I already downloaded and installed the third file, but some Tikz/PGF code is not running; otherwise, everything is ok.
For your information, I have MikTex 2.9. Do I need to update it as well?
If so, which version of MikTeX should I install? This version is for windows 10/11. But I have Windows 8.
I need your guidance.
Edit: I tried to update MikTeX as follows:
I am selecting MikTeX folder, but still it says "local repository not found"





