Welcome! Its awesome to have you here.
As a friendly reminder, The Community Guidelines https://eve.community/guidelines mentioned that public posts should be written in English. I hope you dont take this personal
Wow, thats atrocious. Have you checked the battery wear level? I think simply replacing the battery would boost the battery life by over 300%.
Otherwise, you may want to consider a clean install, especially if you havent uninstalled the bloatware that comes with your PC