South Africa are currently in camp gearing up for two international friendly matches with Panama as part of their preparations for the 2026 FIFA World Cup.
Williams has been a standout performer for Bafana in recent Africa Cup of Nations finals, and during their successful World Cup qualifying campaign.
South Africa were rewarded with a place in Group A, alongside hosts Mexico, South Korea and one of the Czech Republic or Denmark at this year's finals.
First up are two home friendlies against Panama at Moses Mabhida Stadium in Durban on Friday night and at DHL Stadium in Cape Town on Tuesday.
Speaking ahead of the first game, Williams said he is motivated to do well for his country as he takes a break from domestic football were Mamelodi Sundowns are locked in a fierce battle with Orlando Pirates for the Betway Premiership title.
"It's a good pressure to have," he explained on IOL.
"It shows that you are doing well if you are still part of all these major tournaments and you have something to play for.
"It keeps you focused and ready, knowing that at the back of your mind there is the big one — the World Cup."
"Everyone has something to play for. There's a lot of motivation. So, it's a good feeling to have.
"Hopefully, there aren't any major problems between now and then so that we can go there with all our soldiers and be war ready," Williams added.