This type of customization has been available for a long time, but the Windows 10 May Update offers a couple of new tricks for tweaking the cursor and pointer. To fix this issue, you can change the size and color of your mouse pointer and the thickness of your text cursor.
Sometimes you can lose track of your text cursor and mouse pointer in Windows 10–they can disappear for a second or just hide on the screen so you can’t easily or quickly find them. Learn how to tweak your cursor and pointer in Windows 10 so they're easier to see and find. How to enhance your text cursor and mouse pointer in Windows 10