Give up sweets, abruptly. Yes, through pain and tears, not even any juice. And you don't need nuts. You need to completely switch to proper nutrition. Eat a little 5 times a day.
After a week without sweets, the skin will become cleaner.
Without sports, I managed to lose 6kg in 6 weeks. But if I had fixed it with sports, the result would have been better.
The excellent Nike + training mobile app is suitable for home training.
First, start eating right. Eliminate junk food. If you, for example, have a sweet tooth, then replace sweets with dried fruits with nuts (of course, in reasonable quantities).
Secondly, sports. Find what you like best. The activity that you will enjoy going to. If you want to save money on this, then there are many video lessons on YouTube.
Bring your routine back to normal, you should not neglect sleep.