if you are using #windows , it have #throttling settings that you can adjust in group policy and #registry to reduce the #bandwidth control / limitation ( my actual settings in the screenshots)
+ try to flush your #DNS using command prompt + get a helmet then try to get rid of all the phones at home , your neighbor's too... maybe they are using your wifi 😅 + check your modem /router updates , or reset it + reboot everything
*** Before any modification to registry , save a copy of the existing registry, a small backup file (will be in my document file) just in case of malfunction after changes .
** Before you try anything, test your net speed, and test after the modifications.