There are very many things that can help.
One thing that prayer always needs is focus. It's better to pray a few words that reach into your heart and spirit with full attention and an awareness of being in God's presence than ten thousand careless words. (The latter could even be damaging.) when your mind wanders, bring it back. Don't expect too much of yourself at first if you aren't used to this - 5-10 minutes or even 3 minutes is a start.
I like to follow a rule that includes certain prayers for morning and evening, as well as time spent praying for others, then myself, examination and confession, and thanksgiving.
Most of my rule are formal prayers that are beautiful and help to form my thoughts toward God. But we should also pray our own prayers and share our own thoughts with God.
I pray all the time for a short list of people close to me, those in particular need, or ones I have committed to pray for, as well as any that come to mind. I remember these. But I keep a longer list of everyone else I want to pray for, and include them sometimes.
People sometimes use all sorts of reminders to pray. Maybe a cross on the wall or an icon and when we see it, we remember to pray. Maybe set a timer or alarm several times a day. I wear a knotted rope bracelet to remind me.
That's just a few things. Good topic.