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#11
Thanks.
Now if you click link to turn off Custom Scaling, so it goes back to 100%, it still looks bad. Could you post a screen shoy with any personal information removed.
Your File Explorer looks normal, seems you are on an older version of Windows 10 judging by the icons which have recently changed a bit.
Try small increments in the scaling like 100% > 125%.
I have used Laptops with small screens and 1920 x 1080 and the 125% scaling is about right.
Fonts in some applications can get small and thin and don't always respond to Windows changes.
You can also go to Settings > Personalisation > Fonts > Adjust ClearType text > On > and go through the text sample procedures.
When buying one I actually got 1366 x 768 resolution against the fashion trend for high dpi screens.
If you use older applications these were not designed with high dpi screens in mind, this is true of parts of Windows as well.
Your options have all been covered with all the answers together.
With a small Laptop screen like that there are always going to be problems from Application to Application, and for people with not so good eyesight.
The only other option is an external Monitor of a larger size.